:root {
    --bg-color: #ffffff;
    --sidebar-bg: #f8fafc;
    --card-bg: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent: #0ea5e9;
    /* Sky 500 */
    --accent-hover: #0284c7;
    /* Sky 600 */
    --border-color: #cbd5e1;
    /* Slate 300 */
    --success: #22c55e;
    --table-header-bg: #f1f5f9;
    --table-border: #e2e8f0;
    --hover-bg: #f1f5f9;
}

* {
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Header */
.main-header {
    background-color: var(--bg-color);
    padding: 0.6rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 56px;
    height: auto;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--accent);
    display: flex;
    align-items: center;
}

.logo img {
    height: 42px;
    vertical-align: middle;
    display: block;
    object-fit: contain;
    transition: height 0.2s ease;
}

.upload-area form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.upload-btn {
    background-color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s;
    border: 1px solid var(--border-color);
    min-width: 200px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-btn:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--accent);
}

.process-btn {
    background-color: var(--accent);
    color: #fff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.process-btn:hover {
    background-color: var(--accent-hover);
}

.project-info {
    text-align: right;
}

.project-info h1 {
    font-size: 0.9rem;
    margin: 0;
    font-weight: 500;
}

.project-info .meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Main Content Area */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-color);
    min-height: 0;
    /* Critical for nested flex scrolling */
}

/* Tree Panel takes full height now */
.tree-panel {
    flex: 1;
    overflow: hidden;
    /* Remove scroll from parent */
    display: flex;
    flex-direction: column;
    min-height: 0;
    /* Critical for nested flex scrolling */
}

#treeContent {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    /* Scroll is here */
    display: block;
    /* Flex might cause issues with sticky if not careful, but block is safer for list */
    /* Height is now flex-managed */
}

/* Search Bar */
.search-bar-container {
    padding: 0.5rem 1rem;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.search-bar-container input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.search-bar-container input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.1);
}

/* Remove Details Panel styles (or hide them) */
.details-panel {
    display: none !important;
}

/* Divider removal */
.divider-horizontal {
    display: none !important;
}

/* Tree Grid Headers */
.tree-header {
    display: grid;
    /* 
       Updated Layout (Merged Hierarchy):
       Code: 190px (Includes indent and icon)
       Unit: 45px
       Summary: 1fr
       Quantity: 80px
       Price: 100px
       Proportion: 180px
       Amount: 110px
     */
    grid-template-columns: 190px 45px 1fr 80px 100px 180px 110px;
    background-color: var(--table-header-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.tree-header div {
    padding: 8px 12px;
    border-right: 1px solid var(--border-color);
    position: relative;
}

/* ... resize handle ... */

/* Grid Tree Node */
.tree-node-row {
    display: grid;
    grid-template-columns: 190px 45px 1fr 80px 100px 180px 110px;
    align-items: center;
    border-bottom: 1px solid var(--table-border);
    cursor: pointer;
    transition: background 0.1s;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background-color: #fff;
}

/* Row types - Visual hierarchy */
.tree-node-row.node-chapter,
.tree-node-row.node-subchapter {
    font-weight: 600; /* Bold for chapters and subchapters */
}

.tree-node-row.node-item {
    font-weight: 400; /* Normal weight for regular items */
}

/* Removed col-hierarchy styles */


.col-code {
    padding: 4px 8px;
    border-right: 1px solid var(--table-border);
    white-space: nowrap;
    overflow: hidden;
    /* Might clip long codes if deeply indented, but text-overflow helps */
    text-overflow: ellipsis;
    font-family: inherit;
    display: flex;
    /* Flex to align icon and text */
    align-items: center;
}

.col-unit,
.col-quantity,
.col-price,
.col-proportion,
.col-amount {
    padding: 4px 8px;
    border-right: 1px solid var(--table-border);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: inherit;
}

.col-proportion {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.col-summary {
    padding: 4px 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-right: 1px solid var(--table-border);
    outline: none;
    transition: all 0.2s;
}
.col-summary[contenteditable="true"]:hover {
    background-color: var(--hover-bg);
    box-shadow: inset 0 0 0 1px var(--accent);
    border-radius: 4px;
}
.col-summary[contenteditable="true"]:focus {
    background-color: var(--bg-color);
    box-shadow: 0 0 0 2px var(--accent);
    border-radius: 4px;
    color: var(--text-primary);
    font-weight: 500;
}

.col-quantity,
.col-price,
.col-amount {
    text-align: right;
}

.col-amount {
    font-weight: 600;
    color: var(--text-primary);
}

.tree-node-children {
    display: none;
    flex-direction: column;
}

.tree-node-children.visible {
    display: flex;
}

/* Measurement Table Styles */
.measurements-container {
    padding: 10px 20px 10px 40px;
    background-color: #f8fafc;
    /* Light gray background for details */
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.measurements-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background-color: #fff;
    border: 1px solid var(--border-color);
}

.measurements-table th,
.measurements-table td {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.measurements-table th {
    background-color: var(--table-header-bg);
    font-weight: 600;
    color: var(--text-primary);
}

.measurements-table td.numeric {
    text-align: right;
    font-family: inherit;
}

.measurements-table tr.total-row td {
    background-color: var(--table-header-bg);
    font-weight: 700;
    color: var(--text-primary);
    border-top: 2px solid var(--border-color);
}

/* Empty State */
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    font-style: italic;
    background-color: var(--bg-color);
}

/* Description Row handled by JS inline styles currently, 
   but preserved comment for future refactoring */

/* Toggle Icon */
.toggle-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    transition: transform 0.2s;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.toggle-icon.expanded {
    transform: rotate(90deg);
}

/* Breadcrumb Navigation */
.breadcrumb-container {
    padding: 0.75rem 1rem;
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.breadcrumb-back {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.breadcrumb-back:hover {
    background-color: var(--accent-hover);
}

.breadcrumb-path {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
    overflow-x: auto;
}

.breadcrumb-item {
    cursor: pointer;
    color: var(--accent);
    transition: color 0.2s;
    white-space: nowrap;
}

.breadcrumb-item:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--text-secondary);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

/* Mobile Drill-Down Styles */
.tree-node-row.has-children-mobile {
    position: relative;
    /* Navigation arrow removed for cleaner mobile interface */
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {

    /* Header adjustments */
    .main-header {
        flex-direction: column;
        height: auto;
        padding: 1rem;
        gap: 1rem;
    }

    .logo {
        font-size: 1rem;
    }

    .upload-area form {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }

    .upload-btn {
        width: 100%;
        min-width: auto;
    }

    .process-btn {
        width: 100%;
    }

    .project-info {
        text-align: left;
        width: 100%;
    }

    .project-info h1 {
        font-size: 0.85rem;
    }

    .project-info .meta {
        font-size: 0.7rem;
    }

    /* Hide tree-header completely on mobile */
    .tree-header {
        display: none !important;
    }

    /* Convert budget rows into card-like multi-line items */
    .tree-node-row {
        display: grid !important;
        grid-template-columns: 1fr 1fr 90px !important;
        grid-template-rows: auto auto auto !important;
        gap: 3px 6px !important;
        padding: 8px 10px !important;
        height: auto !important;
        min-height: unset !important;
        border-bottom: 1px solid var(--border-color) !important;
        align-items: center !important;
        position: relative !important;
    }

    /* Add navigation chevron for subchapters / drillable nodes on mobile */
    .tree-node-row.has-children-mobile {
        padding-right: 28px !important;
    }
    .tree-node-row.has-children-mobile::after {
        content: "›" !important;
        position: absolute !important;
        right: 12px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        font-size: 1.4rem !important;
        font-weight: bold !important;
        color: var(--accent, #0ea5e9) !important;
        pointer-events: none !important;
    }

    /* Hide empty columns to avoid layout overlap in mobile grid */
    .col-quantity:empty,
    .col-price:empty,
    .col-proportion:empty {
        display: none !important;
    }

    /* Row 1: Code and Unit */
    .col-code {
        grid-column: 1 / span 2 !important;
        grid-row: 1 !important;
        border-right: none !important;
        padding: 0 !important;
        padding-left: 8px !important;
        display: flex !important;
        align-items: center !important;
        gap: 4px !important;
        font-size: 0.7rem !important;
        color: var(--text-secondary) !important;
        width: 100% !important;
    }

    .col-unit {
        grid-column: 3 !important;
        grid-row: 1 !important;
        border-right: none !important;
        padding: 0 !important;
        font-size: 0.7rem !important;
        color: var(--text-secondary) !important;
        text-align: right !important;
        display: block !important;
    }

    /* Row 2: Summary (Description) spanning all 3 columns */
    .col-summary {
        grid-column: 1 / span 3 !important;
        grid-row: 2 !important;
        border-right: none !important;
        padding: 2px 0 !important;
        font-size: 0.78rem !important;
        font-weight: 500 !important;
        color: var(--text-primary) !important;
        white-space: normal !important; /* Allow wrapping! */
        line-height: 1.3 !important;
        display: block !important;
    }

    /* Row 3: Quantity, Price, Proportion, Amount */
    .col-quantity {
        grid-column: 1 !important;
        grid-row: 3 !important;
        border-right: none !important;
        padding: 0 !important;
        font-size: 0.7rem !important;
        color: var(--text-secondary) !important;
        text-align: left !important;
        display: block !important;
    }
    .col-quantity::before {
        content: "Cant: ";
        font-weight: 500;
        color: var(--text-secondary);
        opacity: 0.8;
    }

    .col-price {
        grid-column: 2 !important;
        grid-row: 3 !important;
        border-right: none !important;
        padding: 0 !important;
        font-size: 0.7rem !important;
        color: var(--text-secondary) !important;
        text-align: left !important;
        display: block !important;
    }
    .col-price::before {
        content: "Pr: ";
        font-weight: 500;
        color: var(--text-secondary);
        opacity: 0.8;
    }

    .col-proportion {
        grid-column: 1 / span 2 !important;
        grid-row: 3 !important;
        border-right: none !important;
        padding: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        font-size: 0.7rem !important;
    }

    .col-amount {
        grid-column: 3 !important;
        grid-row: 3 !important;
        border-right: none !important;
        padding: 0 !important;
        font-size: 0.78rem !important;
        font-weight: 600 !important;
        color: var(--text-primary) !important;
        text-align: right !important;
        display: block !important;
    }

    /* Hide toggle icon in drill-down mode */
    .mobile-drilldown .toggle-icon {
        display: none;
    }

    /* Breadcrumb adjustments */
    .breadcrumb-container {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .breadcrumb-back {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .breadcrumb-path {
        font-size: 0.75rem;
    }

    /* Search bar */
    .search-bar-container {
        padding: 0.5rem;
    }

    .search-bar-container input {
        font-size: 0.85rem;
        padding: 6px 10px;
    }

    /* Measurements table - make scrollable */
    .measurements-container {
        padding: 10px;
        overflow-x: auto;
    }

    .measurements-table {
        font-size: 0.75rem;
        min-width: 500px;
    }

    .measurements-table th,
    .measurements-table td {
        padding: 4px 8px;
    }
}

/* ==========================================================================
   Nuevas Mejoras: Botones, Modo Oscuro, Badges y Edición Interactiva
   ========================================================================== */

/* Botones de Guardar y PDF */
.save-btn {
    background-color: #16a34a; /* Verde */
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}
.save-btn:hover {
    background-color: #15803d;
}
.save-btn:active {
    transform: scale(0.97);
}

.pdf-btn {
    background-color: #800020; /* Granate */
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}
.pdf-btn:hover {
    background-color: #5c0017;
}
.pdf-btn:active {
    transform: scale(0.97);
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.2s, border-color 0.2s;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.theme-toggle-btn:hover {
    background-color: var(--hover-bg);
}

/* Total del presupuesto */
.budget-total {
    font-size: 1.1rem;
    font-weight: 700;
    color: #16a34a; /* Verde */
    margin-top: 4px;
    transition: color 0.2s;
}

/* Celdas de precios editables */
.col-price {
    outline: none;
    transition: all 0.2s;
}
.col-price[contenteditable="true"]:hover {
    background-color: var(--hover-bg);
    box-shadow: inset 0 0 0 1px var(--accent);
    border-radius: 4px;
}
.col-price[contenteditable="true"]:focus {
    background-color: var(--bg-color);
    box-shadow: 0 0 0 2px var(--accent);
    border-radius: 4px;
    color: var(--text-primary);
    font-weight: 600;
}

/* Badges de tipos de recurso */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 4px;
    margin-left: 6px;
    text-transform: uppercase;
    vertical-align: middle;
}
.badge-mo {
    background-color: #fee2e2;
    color: #ef4444;
}
.badge-maq {
    background-color: #fef3c7;
    color: #d97706;
}
.badge-mat {
    background-color: #dbeafe;
    color: #3b82f6;
}
.badge-sub {
    background-color: #f3e8ff;
    color: #a855f7;
}

/* Drag & Drop Overlay */
.drag-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: opacity 0.2s;
}
.drag-overlay-box {
    background-color: var(--bg-color);
    border: 3px dashed var(--accent);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: pulseOverlay 2s infinite;
}
.drag-overlay-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.drag-overlay-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}
@keyframes pulseOverlay {
    0%, 100% {
        border-color: var(--accent);
        transform: scale(1);
    }
    50% {
        border-color: var(--accent-hover);
        transform: scale(1.02);
    }
}

/* Modo Oscuro */
body.dark-theme {
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --border-color: #334155;
    --table-header-bg: #1e293b;
    --table-border: #334155;
    --hover-bg: #1e293b;
}

body.dark-theme .tree-node-row {
    background-color: #0f172a;
    color: #e2e8f0;
}
body.dark-theme .tree-node-row:hover {
    background-color: #1e293b;
}
body.dark-theme .measurements-container {
    background-color: #1e293b;
}
body.dark-theme .measurements-table {
    background-color: #0f172a;
}
body.dark-theme .measurements-table td {
    color: #cbd5e1;
}
body.dark-theme .upload-btn {
    background-color: #1e293b;
    color: #cbd5e1;
}
body.dark-theme .upload-btn:hover {
    background-color: #334155;
}
body.dark-theme .search-bar-container input {
    background-color: #1e293b;
    color: #f8fafc;
}
body.dark-theme .search-bar-container input:focus {
    background-color: #0f172a;
}
body.dark-theme .budget-total {
    color: #4ade80;
}
body.dark-theme .badge-mo {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}
body.dark-theme .badge-maq {
    background-color: rgba(217, 119, 6, 0.2);
    color: #fde047;
}
body.dark-theme .badge-mat {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}
body.dark-theme .badge-sub {
    background-color: rgba(168, 85, 247, 0.2);
    color: #e9d5ff;
}

/* Footer Banner */
.app-footer {
    background-color: var(--sidebar-bg);
    padding: 0.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    height: 40px;
    z-index: 5;
}
body.dark-theme .app-footer {
    background-color: #1e293b;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* ==========================================================================
   Estilos de Nuevas Funcionalidades Profesionales (Excel, PDF, Comparar, Coeffs)
   ========================================================================== */

/* Botones Nuevos */
.excel-btn {
    background-color: #1d6f42; /* Verde Excel */
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}
.excel-btn:hover {
    background-color: #185c37;
}
.excel-btn:active {
    transform: scale(0.97);
}

.compare-btn {
    background-color: #2563eb; /* Azul */
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}
.compare-btn:hover {
    background-color: #1d4ed8;
}
.compare-btn:active {
    transform: scale(0.97);
}

.dashboard-btn {
    background-color: #4f46e5; /* Índigo */
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}
.dashboard-btn:hover {
    background-color: #4338ca;
}
.dashboard-btn:active {
    transform: scale(0.97);
}

/* Totales y Ajustes Coeficientes en Cabecera */
.budget-totals-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.pec-total {
    color: #16a34a !important; /* Verde */
}
body.dark-theme .pec-total {
    color: #4ade80 !important;
}
.coeffs-toggle-btn {
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.coeffs-toggle-btn:hover {
    background-color: var(--border-color);
}

/* Panel Coeficientes */
.coeffs-panel {
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    animation: slideDown 0.3s ease-out;
}
.coeffs-container {
    max-width: 1200px;
    margin: 0 auto;
}
.coeffs-container h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}
.coeffs-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
}
.coeff-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.coeff-field label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.coeff-field input {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    width: 100px;
    font-size: 0.85rem;
    outline: none;
}
.coeff-field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

/* Barra de Filtros Avanzados */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
}
.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.filter-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.filter-btn {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}
.filter-btn:hover {
    background-color: var(--hover-bg);
    border-color: var(--text-secondary);
}
.filter-select {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    outline: none;
}
.filter-select:focus {
    border-color: var(--accent);
}

/* Modales */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}
.modal-content {
    background-color: var(--bg-color);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    padding: 1.5rem;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}
.dashboard-modal-content {
    width: 1280px;
    max-width: 96%;
}
.compare-modal-content {
    width: 500px;
    max-width: 90%;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1.25rem;
}
.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}
.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
}
.close-btn:hover {
    color: var(--text-primary);
}

/* KPI Strip */
.db-kpi-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
}
.db-kpi-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.85rem;
    min-width: 110px;
    flex: 1;
    text-align: center;
}
.db-kpi-icon { font-size: 1.1rem; }
.db-kpi-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.db-kpi-val {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    overflow-y: auto;
    padding-bottom: 0.5rem;
}
@media (max-width: 1000px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}
.chart-card {
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
}
.chart-card h4 {
    margin: 0 0 0.65rem 0;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.4rem;
}
.chart-container {
    position: relative;
    height: 240px;
    width: 100%;
}

/* Comparador */
.compare-upload-area {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 2px dashed var(--border-color);
    padding: 2rem 1rem;
    border-radius: 8px;
    text-align: center;
    align-items: center;
    background-color: var(--sidebar-bg);
}
.compare-file-input {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.compare-results {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}
.compare-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}
.stat-card {
    flex: 1;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
}
.stat-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--text-primary);
}
.clear-compare-btn {
    background-color: #ef4444;
    color: #ffffff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 500;
    width: 100%;
}
.clear-compare-btn:hover {
    background-color: #dc2626;
}

/* Badges de Desviación Comparativa */
.dev-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}
.dev-up {
    background-color: #fee2e2;
    color: #ef4444;
}
.dev-down {
    background-color: #dcfce7;
    color: #16a34a;
}
body.dark-theme .dev-up {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}
body.dark-theme .dev-down {
    background-color: rgba(22, 163, 74, 0.2);
    color: #86efac;
}

/* Celdas Editables de Mediciones */
.m-cell-editable {
    outline: none;
    transition: background-color 0.2s;
    cursor: text;
}
.m-cell-editable:hover {
    background-color: var(--hover-bg);
}
.m-cell-editable:focus {
    background-color: var(--bg-color);
    box-shadow: inset 0 0 0 2px var(--accent);
    border-radius: 4px;
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Dropdown de Exportación */
.dropdown {
    position: relative;
    display: inline-block;
}
.export-btn {
    background-color: #475569; /* Slate 600 */
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.export-btn:hover {
    background-color: #334155; /* Slate 700 */
}
.export-btn:active {
    transform: scale(0.97);
}
.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background-color: var(--bg-color);
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.15);
    z-index: 1000;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    animation: slideDown 0.2s ease-out;
}
.dropdown-content button {
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 10px 16px;
    display: block;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background-color 0.2s;
}
.dropdown-content button:hover {
    background-color: var(--hover-bg);
}
.dropdown.show .dropdown-content {
    display: block;
}

/* ============================================================
   MÓDULO PLANNING — GANTT STYLES
   ============================================================ */

/* Botón Planning */
.planning-btn {
    background: linear-gradient(135deg, #1e3a5f, #2d5986);
    color: #fff;
    border: none;
    padding: 7px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    transition: background 0.2s, transform 0.1s;
    margin-left: 4px;
}
.planning-btn:hover {
    background: linear-gradient(135deg, #2d5986, #1e3a5f);
    transform: translateY(-1px);
}

/* Modal Overlay */
.planning-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 3000;
    display: flex;
    align-items: stretch;
    justify-content: center;
}
.planning-modal-content {
    background: var(--bg-color);
    width: 100%;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Cabecera del modal */
.planning-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: linear-gradient(90deg, #1e3a5f, #500014);
    color: #fff;
    flex-shrink: 0;
    gap: 12px;
    flex-wrap: wrap;
}
.planning-modal-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.planning-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.planning-controls label {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
    color: #e2e8f0;
}
.gantt-control-input {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    color: #fff;
    padding: 3px 6px;
    font-size: 0.8rem;
}
.gantt-control-input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.6);
}
.gantt-action-btn {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 5px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    transition: background 0.2s;
}
.gantt-action-btn:hover { background: rgba(255,255,255,0.28); }
.gantt-excel-btn { border-color: #4ade80; color: #4ade80; }
.gantt-excel-btn:hover { background: rgba(74,222,128,0.15); }
.gantt-pdf-btn { border-color: #f87171; color: #f87171; }
.gantt-pdf-btn:hover { background: rgba(248,113,113,0.15); }
.gantt-close-btn {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 5px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    transition: background 0.2s;
}
.gantt-close-btn:hover { background: rgba(255,255,255,0.25); }

/* Contenedor principal del Gantt */
.gantt-container {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.gantt-table-wrap {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Columna izquierda (tareas) */
.gantt-left-col {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 2px solid var(--border-color);
    overflow-y: auto;
    overflow-x: hidden;
    position: relative; /* necesario para el handle absoluto */
    user-select: none !important;
    -webkit-user-select: none !important;
}


.gantt-toggle-cols-floating-btn {
    position: absolute;
    left: calc(var(--left-col-width, 250px) + 12px);
    bottom: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--accent, #0ea5e9);
    color: #ffffff;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
    z-index: 100;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s, background-color 0.2s;
}
.gantt-toggle-cols-floating-btn:hover {
    transform: scale(1.1);
    background-color: #0284c7;
}

/* Comportamiento colapsado */
.gantt-table-wrap.gantt-left-collapsed .gantt-left-col {
    width: 0 !important;
    min-width: 0 !important;
    max-width: 0 !important;
    border-right: none !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
}
.gantt-table-wrap.gantt-left-collapsed .gantt-col-resize-handle {
    display: none !important;
}
.gantt-table-wrap.gantt-left-collapsed .gantt-toggle-cols-floating-btn {
    left: 12px;
}

/* Handle de resize de la columna de tareas */
.gantt-col-resize-handle {
    position: absolute;
    top: 0;
    right: -4px;
    width: 8px;
    height: 100%;
    cursor: ew-resize;
    z-index: 20;
    background: transparent;
    transition: background 0.2s;
}
.gantt-col-resize-handle:hover,
.gantt-col-resize-handle:active {
    background: rgba(14, 165, 233, 0.5);
    border-radius: 2px;
}
.gantt-left-header {
    height: 56px;
    background: var(--table-header-bg);
    border-bottom: 2px solid var(--border-color);
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 2;
    box-sizing: border-box;
}

/* Filas de nombre de tarea */
.gantt-name-row {
    height: 34px;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    border-bottom: 1px solid var(--table-border);
    flex-shrink: 0;
    cursor: default;
    transition: background 0.15s;
    box-sizing: border-box;
}
.gantt-name-row:hover { background: var(--hover-bg); }

/* Subcolumnas del Gantt Izquierdo */
.gh-col-name, .gantt-cell-name {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gh-col-days, .gantt-cell-days {
    width: 90px;
    flex-shrink: 0;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 500;
}

.gh-col-progress, .gantt-cell-progress {
    width: 110px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.gantt-days-ready {
    color: #10b981 !important; /* Verde */
    font-weight: 600;
}

.gantt-days-delayed {
    color: #ef4444 !important; /* Rojo */
    font-weight: 600;
}

.gantt-days-normal {
    color: var(--text-secondary);
}

.gantt-prog-btn {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s, border-color 0.15s;
}

.gantt-prog-btn:hover {
    background-color: var(--border-color);
    border-color: var(--text-secondary);
}

.gantt-prog-val {
    width: 44px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.gantt-bar-progress {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    background-color: rgba(16, 185, 129, 0.4);
    z-index: 1;
    pointer-events: none;
    border-radius: 4px 0 0 4px;
}

.gantt-bar-critical {
    border: 2.5px solid #f97316 !important;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.5) !important;
}

.gantt-bar-critical::after {
    content: '🔥 CRÍTICO';
    position: absolute;
    right: 4px;
    bottom: 1px;
    font-size: 0.55rem;
    color: #ffedd5;
    font-weight: 700;
    opacity: 0.9;
    z-index: 2;
}

.critical-badge-icon {
    color: #f97316;
    margin-right: 4px;
    font-size: 0.8rem;
}
.gantt-depth-1 {
    background: #f0f4f8;
    font-weight: 700;
    font-size: 0.82rem;
    color: #1e3a5f;
    padding-left: 8px;
}
.gantt-depth-2 {
    font-size: 0.78rem;
    padding-left: 24px;
    color: var(--text-primary);
}
.gantt-depth-3 {
    font-size: 0.74rem;
    padding-left: 40px;
    color: var(--text-secondary);
}
.dark-mode .gantt-depth-1 { background: #1e2d3d; color: #90caf9; }

.gantt-toggle {
    cursor: pointer;
    font-size: 0.65rem;
    color: var(--text-secondary);
    user-select: none;
    width: 14px;
    flex-shrink: 0;
    transition: transform 0.15s;
}
.gantt-toggle:hover { color: var(--accent); }
.gantt-toggle-spacer { width: 14px; flex-shrink: 0; }
.gantt-task-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}
.gantt-task-subtext {
    display: none;
}
.gantt-name-row-parent, .gantt-bar-row-parent {
    background-color: rgba(59, 130, 246, 0.08) !important;
}
.gantt-name-row-parent .gantt-task-name {
    font-weight: 700 !important;
}
body.dark-theme .gantt-name-row-parent, body.dark-theme .gantt-bar-row-parent {
    background-color: rgba(59, 130, 246, 0.16) !important;
}
.gantt-mini-btns-wrapper {
    display: none;
}

/* Columna derecha (timeline) */
.gantt-right-col {
    flex: 1;
    overflow-x: auto;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.gantt-header-wrap {
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--table-header-bg);
}
.gantt-header-months {
    display: flex;
    height: 28px;
    border-bottom: 1px solid var(--border-color);
}
.gantt-month-cell {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #500014, #800020);
    border-right: 1px solid rgba(255,255,255,0.2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.3px;
}
.gantt-header-weeks {
    display: flex;
    height: 28px;
    border-bottom: 2px solid var(--border-color);
}
.gantt-week-cell {
    width: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--text-secondary);
    border-right: 1px solid var(--table-border);
    font-weight: 500;
}

/* Cuerpo del Gantt */
.gantt-body {
    flex: 1;
    overflow: visible;
    position: relative;
}

/* Filas de barras */
.gantt-bar-row {
    height: 34px;
    position: relative;
    border-bottom: 1px solid var(--table-border);
    flex-shrink: 0;
}
.gantt-bar-row:hover { background: rgba(14, 165, 233, 0.04); }
.gantt-bg-cell {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 44px;
    border-right: 1px solid var(--table-border);
}
/* Marcar cada 4 semanas (aprox. 1 mes) */
.gantt-bg-month-end {
    border-right: 1px solid #94a3b8 !important;
}

/* Barras del Gantt */
.gantt-bar {
    position: absolute;
    top: 5px;
    height: 22px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    cursor: grab;
    z-index: 10;
    transition: box-shadow 0.15s;
    user-select: none;
    overflow: visible;
}
.gantt-bar:active { cursor: grabbing; box-shadow: 0 4px 12px rgba(0,0,0,0.25); }
.gantt-bar:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.2); }

/* Colores por profundidad */
.gantt-bar-depth-1 {
    background: linear-gradient(90deg, #800020, #a0002a);
    border: 1px solid #600018;
}
.gantt-bar-depth-2 {
    background: linear-gradient(90deg, #1e5f9f, #2d7abf);
    border: 1px solid #164a7e;
}
.gantt-bar-depth-3 {
    background: linear-gradient(90deg, #0f9f6e, #14b87f);
    border: 1px solid #0a7a54;
}

/* Label dentro de la barra */
.gantt-bar-label {
    flex: 1;
    font-size: 0.62rem;
    color: #fff;
    font-weight: 600;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    padding: 0 4px;
    pointer-events: none;
    letter-spacing: 0.2px;
}

/* Zonas de resize */
.gantt-resize {
    width: 8px;
    height: 100%;
    flex-shrink: 0;
    cursor: ew-resize;
    z-index: 11;
    opacity: 0;
    background: rgba(255,255,255,0.4);
    border-radius: 3px;
    transition: opacity 0.2s;
}
.gantt-bar:hover .gantt-resize { opacity: 1; }
.gantt-resize-l { border-radius: 4px 0 0 4px; }
.gantt-resize-r { border-radius: 0 4px 4px 0; }

/* Dark mode adaptations */
.dark-mode .gantt-left-col { border-right-color: #334155; }
.dark-mode .gantt-depth-1 { background: #1e293b; }
.dark-mode .gantt-name-row:hover { background: #1e293b; }
.dark-mode .gantt-bg-cell { border-right-color: #334155; }
.dark-mode .gantt-bar-row { border-bottom-color: #334155; }
.dark-mode .gantt-week-cell { border-right-color: #334155; color: #94a3b8; }

/* ==========================================
   NUEVOS ESTILOS PARA LA CABECERA REORGANIZADA
   ========================================== */

/* Contenedores de botones agrupados */
.control-container {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-group, #f8fafc);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3px 6px;
    gap: 6px;
    transition: all 0.2s ease-in-out;
}

body.dark-theme .control-container {
    background-color: #1e293b;
    border-color: #334155;
}

.control-container button {
    margin: 0 !important;
}

/* Modificación de estilos de los botones para unificar su tamaño y aspecto en mayúsculas */
.main-header button, 
.main-header .upload-btn, 
.main-header .dropdown-toggle {
    font-size: 0.72rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.03em !important;
    text-transform: uppercase !important;
    padding: 0.3rem 0.7rem !important;
    border-radius: 6px !important;
    height: 28px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
}

.main-header .upload-btn {
    min-width: 160px !important;
    cursor: pointer !important;
    background-color: var(--bg-color) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.main-header .upload-btn:hover {
    background-color: var(--hover-bg) !important;
    border-color: var(--accent) !important;
    color: var(--text-primary) !important;
}

/* --- SEGMENTED CONTROL (Vistas Principales) --- */
.segmented-control {
    display: inline-flex;
    background-color: var(--hover-bg, #f1f5f9) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 2px !important;
    gap: 2px !important;
}
.segmented-control .nav-tab {
    background: transparent !important;
    border: none !important;
    color: var(--text-secondary) !important;
    padding: 0.35rem 0.8rem !important;
    font-size: 0.72rem !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    height: 24px !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
}
.segmented-control .nav-tab.active {
    background-color: var(--accent, #3b82f6) !important;
    color: #ffffff !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
}
.segmented-control .nav-tab:hover:not(.active) {
    background-color: rgba(0,0,0,0.05) !important;
    color: var(--text-primary) !important;
}
.dark-theme .segmented-control {
    background-color: #1e293b !important;
    border-color: #334155 !important;
}
.dark-theme .segmented-control .nav-tab:hover:not(.active) {
    background-color: rgba(255,255,255,0.05) !important;
}

/* --- TOOLS GROUP (Botonera de Herramientas Auxiliares) --- */
.tools-group {
    display: inline-flex !important;
    gap: 4px !important;
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
}
.tools-group .tool-btn {
    background-color: var(--bg-group, #f8fafc) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    padding: 0.35rem 0.6rem !important;
    font-size: 0.72rem !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    height: 28px !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
}
.tools-group .tool-btn:hover {
    background-color: var(--hover-bg) !important;
    border-color: var(--accent) !important;
    color: var(--text-primary) !important;
    transform: translateY(-1px) !important;
}
.tools-group .tool-btn:active {
    transform: translateY(0) !important;
}
.dark-theme .tools-group .tool-btn {
    background-color: #1e293b !important;
    border-color: #334155 !important;
}


/* Contenedor de Controles de la Derecha (Tema e Info) */
.right-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-toggle-btn {
    background-color: var(--bg-group, #f8fafc) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    border-radius: 50% !important;
    width: 28px !important;
    height: 28px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    font-size: 0.95rem !important;
    padding: 0 !important;
    transition: all 0.2s ease !important;
    box-sizing: border-box !important;
}
.settings-toggle-btn:hover {
    background-color: var(--hover-bg) !important;
    border-color: var(--accent) !important;
    color: var(--text-primary) !important;
    transform: rotate(30deg) !important;
}
.dark-theme .settings-toggle-btn {
    background-color: #1e293b !important;
    border-color: #334155 !important;
}

.dropdown-content-right {
    right: 0 !important;
    left: auto !important;
}

/* REDISEÑO PEM Y PEC - LLAMATIVO Y PREMIUM */
.budget-widget {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 4px 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

body.dark-theme .budget-widget {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border-color: #334155;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.budget-card {
    display: flex;
    flex-direction: column;
    padding: 2px 6px;
    min-width: 95px;
    transition: transform 0.2s;
}

.budget-card:hover {
    transform: translateY(-1px);
}

.budget-card.pem-card {
    border-right: 1px solid #e2e8f0;
    padding-right: 14px;
}

body.dark-theme .budget-card.pem-card {
    border-right-color: #334155;
}

.budget-card .lbl {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    margin-bottom: 2px;
}

body.dark-theme .budget-card .lbl {
    color: #94a3b8;
}

.budget-card .val {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.budget-card.pem-card .val {
    color: #2563eb; /* Azul premium */
}

body.dark-theme .budget-card.pem-card .val {
    color: #60a5fa; /* Azul claro premium */
}

.budget-card.pec-card .val {
    color: #16a34a; /* Verde premium */
}

body.dark-theme .budget-card.pec-card .val {
    color: #4ade80; /* Verde claro premium */
}

.info-modal-content {
    width: 640px;
    max-width: 92%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* Collapsible version history */
.version-history-details summary {
    cursor: pointer;
    user-select: none;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    padding-top: 2px;
}
.version-history-details summary::-webkit-details-marker { display: none; }
.version-history-details summary::before {
    content: '▶';
    font-size: 0.65rem;
    color: var(--text-secondary);
    transition: transform 0.2s;
    flex-shrink: 0;
}
.version-history-details[open] summary::before {
    transform: rotate(90deg);
}
.version-history-details summary:hover { color: var(--accent); }
.version-history-body {
    margin-top: 0.6rem;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 4px;
    font-size: 0.8rem;
}

/* ==========================================================================
   Banco de Precios Panel Styles
   ========================================================================== */
.prices-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg, #ffffff);
    border-radius: 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    padding: 24px;
    min-height: 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-theme .prices-panel {
    background-color: var(--card-bg, #1e293b);
    border-color: var(--border-color, #334155);
}

.prices-header-box {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.prices-header-box h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color, #1e293b);
    margin: 0;
}

.prices-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.prices-search-container {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
}

.prices-search-container input {
    width: 100%;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color, #cbd5e1);
    background-color: var(--bg-color, #f8fafc);
    color: var(--text-color, #1e293b);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
}

.prices-search-container input:focus {
    border-color: var(--accent, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background-color: var(--card-bg, #ffffff);
}

body.dark-theme .prices-search-container input {
    background-color: #0f172a;
    border-color: #334155;
}

body.dark-theme .prices-search-container input:focus {
    background-color: #1e293b;
    border-color: var(--accent, #3b82f6);
}

.prices-tabs {
    display: flex;
    gap: 6px;
    background-color: var(--bg-color, #f1f5f9);
    padding: 4px;
    border-radius: 8px;
}

body.dark-theme .prices-tabs {
    background-color: #0f172a;
}

.prices-tabs .tab-btn {
    border: none;
    background: transparent;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted, #64748b);
    cursor: pointer;
    transition: all 0.2s;
}

.prices-tabs .tab-btn:hover {
    color: var(--text-color, #1e293b);
}

body.dark-theme .prices-tabs .tab-btn:hover {
    color: #f8fafc;
}

.prices-tabs .tab-btn.active {
    background-color: var(--card-bg, #ffffff);
    color: var(--accent, #3b82f6);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

body.dark-theme .prices-tabs .tab-btn.active {
    background-color: #1e293b;
    color: #38bdf8;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.prices-table-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    background-color: var(--bg-color, #f8fafc);
}

body.dark-theme .prices-table-container {
    border-color: #334155;
    background-color: #0f172a;
}

.prices-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.prices-table th {
    background-color: var(--bg-color, #f1f5f9);
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text-muted, #475569);
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    position: sticky;
    top: 0;
    z-index: 5;
}

body.dark-theme .prices-table th {
    background-color: #1e293b;
    color: #94a3b8;
    border-bottom-color: #334155;
}

.prices-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    color: var(--text-color, #1e293b);
    vertical-align: middle;
}

body.dark-theme .prices-table td {
    border-bottom-color: #334155;
    color: #cbd5e1;
}

.prices-table tr.price-row:hover {
    background-color: rgba(241, 245, 249, 0.5);
}

body.dark-theme .prices-table tr.price-row:hover {
    background-color: rgba(30, 41, 59, 0.5);
}

/* Badges de tipo */
.badge-type {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
}

.badge-partida {
    background-color: #e2fbf0;
    color: #10b981;
}
body.dark-theme .badge-partida {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.badge-mo {
    background-color: #e0f2fe;
    color: #0284c7;
}
body.dark-theme .badge-mo {
    background-color: rgba(2, 132, 199, 0.15);
    color: #38bdf8;
}

.badge-mat {
    background-color: #ffedd5;
    color: #ea580c;
}
body.dark-theme .badge-mat {
    background-color: rgba(234, 88, 12, 0.15);
    color: #fb923c;
}

.badge-maq {
    background-color: #f3e8ff;
    color: #7c3aed;
}
body.dark-theme .badge-maq {
    background-color: rgba(124, 58, 237, 0.15);
    color: #c084fc;
}

.badge-sub {
    background-color: #ccfbf1;
    color: #0d9488;
}
body.dark-theme .badge-sub {
    background-color: rgba(13, 148, 136, 0.15);
    color: #2dd4bf;
}

/* Celdas editables */
.prices-table td[contenteditable="true"] {
    cursor: text;
    transition: all 0.2s;
    border-radius: 4px;
}

.prices-table td[contenteditable="true"]:hover {
    background-color: var(--bg-color, #f1f5f9);
}

body.dark-theme .prices-table td[contenteditable="true"]:hover {
    background-color: #1e293b;
}

.prices-table td[contenteditable="true"]:focus {
    outline: 2px solid var(--accent, #3b82f6);
    background-color: var(--card-bg, #ffffff);
    box-shadow: 0 0 4px rgba(59, 130, 246, 0.3);
}

body.dark-theme .prices-table td[contenteditable="true"]:focus {
    background-color: #0f172a;
}

/* Columna de Uso (Dónde se usa) */
.usage-badge {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border-radius: 12px;
    background-color: var(--bg-color, #e2e8f0);
    color: var(--text-muted, #475569);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    position: relative;
    border: none;
    transition: all 0.2s;
}

.usage-badge:hover {
    background-color: var(--accent, #3b82f6);
    color: #ffffff;
}

body.dark-theme .usage-badge {
    background-color: #1e293b;
    color: #94a3b8;
}

body.dark-theme .usage-badge:hover {
    background-color: #0284c7;
    color: #ffffff;
}

/* Fila de descripción desplegable */
.desc-toggle-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-muted, #64748b);
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.desc-toggle-btn:hover {
    background-color: var(--bg-color, #f1f5f9);
    color: var(--text-color, #1e293b);
}

body.dark-theme .desc-toggle-btn:hover {
    background-color: #1e293b;
    color: #f8fafc;
}

.prices-table tr.description-row {
    background-color: rgba(248, 250, 252, 0.8);
}

body.dark-theme .prices-table tr.description-row {
    background-color: rgba(15, 23, 42, 0.8);
}

.prices-desc-editor {
    padding: 12px 24px;
    border-left: 4px solid var(--accent, #3b82f6);
    background-color: var(--card-bg, #ffffff);
    border-radius: 0 8px 8px 0;
    margin: 8px 0;
}

body.dark-theme .prices-desc-editor {
    background-color: #1e293b;
}

.prices-desc-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted, #64748b);
    margin-bottom: 6px;
}

.prices-desc-content {
    font-size: 0.85rem;
    color: var(--text-color, #1e293b);
    line-height: 1.4;
    min-height: 40px;
    outline: none;
    padding: 6px;
    border-radius: 4px;
    border: 1px dashed transparent;
}

.prices-desc-content:hover {
    border-color: var(--border-color, #cbd5e1);
}

.prices-desc-content:focus {
    border-color: var(--accent, #3b82f6);
    border-style: solid;
    background-color: var(--bg-color, #f8fafc);
}

body.dark-theme .prices-desc-content:focus {
    background-color: #0f172a;
}

/* Lista de Usos en Modal */
.usage-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.usage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background-color: var(--bg-color, #f8fafc);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

body.dark-theme .usage-item {
    background-color: #1e293b;
    border-color: #334155;
}

.usage-item:hover {
    border-color: var(--accent, #3b82f6);
    background-color: var(--hover-bg, #f1f5f9);
    transform: translateY(-1px);
}

body.dark-theme .usage-item:hover {
    background-color: #0f172a;
}

.usage-item-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.usage-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.usage-item-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-color, #1e293b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body.dark-theme .usage-item-title {
    color: #cbd5e1;
}

.usage-item-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted, #64748b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body.dark-theme .usage-item-subtitle {
    color: #94a3b8;
}

.usage-item-contribution {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent, #3b82f6);
    text-align: right;
    white-space: nowrap;
    padding-left: 12px;
}

/* ==========================================================================
   Contenedores y Botones de Edición Explícita
   ========================================================================== */
.editable-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    min-width: 0;
}

.editable-val {
    flex: 1;
    min-width: 0;
    outline: none;
    border-radius: 4px;
    transition: background-color 0.2s, box-shadow 0.2s;
    padding: 2px 4px;
}

.editable-val[contenteditable="true"] {
    background-color: var(--card-bg, #ffffff) !important;
    border: 1px solid var(--accent, #3b82f6) !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15) !important;
    cursor: text;
}

body.dark-theme .editable-val[contenteditable="true"] {
    background-color: #0f172a !important;
}

.edit-actions {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    opacity: 0.3;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.editable-container:hover .edit-actions {
    opacity: 1;
}

.btn-edit-pencil,
.btn-edit-ok,
.btn-edit-cancel {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    width: 20px;
    height: 20px;
    transition: background-color 0.2s, transform 0.1s;
    flex-shrink: 0;
}

.btn-edit-pencil {
    color: var(--accent, #3b82f6);
}

.btn-edit-pencil:hover {
    background-color: rgba(59, 130, 246, 0.1);
    transform: scale(1.15);
}

.btn-edit-ok {
    color: #10b981;
}

.btn-edit-ok:hover {
    background-color: rgba(16, 185, 129, 0.1);
    transform: scale(1.15);
}

.btn-edit-cancel {
    color: #ef4444;
}

.btn-edit-cancel:hover {
    background-color: rgba(239, 68, 68, 0.1);
    transform: scale(1.15);
}

/* Botón de Presupuesto (Granate) */
.presupuesto-btn {
    background-color: #881337 !important; /* Granate */
    color: #ffffff !important;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.presupuesto-btn:hover {
    background-color: #9f1239 !important;
}

.presupuesto-btn:active {
    transform: scale(0.97);
}

/* Panel Resumen de Gantt (KPIs estructurados) */
.gantt-summary-bar {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin: 0 0 15px 0;
    padding: 12px 20px;
    background-color: var(--card-bg, #1e293b);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.gantt-kpi-group {
    flex: 1;
    min-width: 240px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.gantt-kpi-group h4 {
    margin: 0;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
    font-weight: 700;
}

.gantt-kpi-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 4px;
}

.gantt-sub-kpi {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.gantt-sub-kpi strong {
    color: var(--text-primary);
}

/* Capa de trazado SVG de Ruta Crítica */
.gantt-svg-overlay {
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
}

/* Botones de Escala (Días, Semanas, Meses) */
.gantt-mode-group {
    display: flex;
    background-color: var(--hover-bg, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px;
    align-items: center;
}

.gantt-mode-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
}

.gantt-mode-btn:hover {
    color: var(--text-primary);
}

.gantt-mode-btn.active {
    background-color: var(--accent, #3b82f6) !important;
    color: #ffffff !important;
}

.gantt-zoom-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.gantt-zoom-group input[type="range"] {
    cursor: ew-resize;
}

/* Línea de Hoy (Destaque Rojo) */
.gantt-today-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 0;
    border-left: 2px dashed #ef4444; /* Rojo vibrante */
    z-index: 10;
    pointer-events: none;
}

.gantt-today-line-label {
    position: absolute;
    top: -22px;
    left: 0;
    transform: translateX(-50%);
    background-color: #ef4444;
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.25);
    z-index: 15;
}

/* ==========================================================================
   FEATURE 5: Buscador Global (Ctrl+F)
   ========================================================================== */
.global-search-bar {
    position: fixed;
    top: 12px;
    right: 20px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-color);
    border: 1.5px solid var(--accent, #3b82f6);
    border-radius: 10px;
    padding: 6px 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    animation: slideDown 0.18s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.global-search-input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.85rem;
    color: var(--text-primary);
    width: 220px;
    font-family: inherit;
}
.global-search-input::placeholder { color: var(--text-secondary); }
.global-search-count {
    font-size: 0.72rem;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 70px;
    text-align: center;
}
.global-search-nav {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.7rem;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}
.global-search-nav:hover { background: var(--accent, #3b82f6); color: #fff; border-color: transparent; }
.global-search-nav:disabled { opacity: 0.35; cursor: default; }
.global-search-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 2px;
    transition: color 0.15s;
}
.global-search-close:hover { color: #ef4444; }

/* Resaltado de resultados en el árbol */
.search-highlight {
    background: rgba(251, 191, 36, 0.25) !important;
    border-radius: 2px;
}
.search-highlight mark {
    background: rgba(251, 191, 36, 0.5);
    border-radius: 2px;
    padding: 0 1px;
    color: inherit;
}
.search-highlight--active {
    background: rgba(59, 130, 246, 0.18) !important;
    outline: 1.5px solid var(--accent, #3b82f6);
    outline-offset: -1px;
}
.search-highlight--active mark {
    background: #3b82f6;
    color: #fff;
}

/* ==========================================================================
   FEATURE 4: Curva S — Tarjeta de ancho completo en Dashboard Grid
   ========================================================================== */
.chart-card--full {
    grid-column: 1 / -1;
}

/* ==========================================================================
   FEATURE 3: Dependencias Gantt
   ========================================================================== */
/* Botón de enlace */
.gantt-link-btn {
    background: none;
    border: 1.5px solid var(--border-color);
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.gantt-link-btn.active {
    background: #3b82f6 !important;
    color: #fff !important;
    border-color: #3b82f6 !important;
}

/* Cursor en modo enlace */
body.gantt-link-mode .gantt-bar:not(.gantt-bar-parent) {
    cursor: crosshair !important;
    outline: 2px dashed #3b82f6;
    outline-offset: 2px;
}
body.gantt-link-mode .gantt-bar.dep-source {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
    background: rgba(59, 130, 246, 0.3) !important;
}

/* Flechas de dependencia SVG */
.gantt-dep-arrow {
    stroke: #3b82f6;
    stroke-width: 1.5;
    fill: none;
    stroke-dasharray: none;
    opacity: 0.75;
}
.gantt-dep-arrowhead {
    fill: #3b82f6;
    opacity: 0.75;
}
.gantt-dep-hit-area {
    stroke: transparent;
    stroke-width: 10;
    fill: none;
    cursor: pointer;
}

/* Modo enlace: Banner informativo */
.gantt-link-banner {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid var(--accent, #3b82f6);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    gap: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    animation: slideDown 0.2s ease;
}
.gantt-link-banner strong {
    color: var(--accent, #3b82f6);
}

/* Interacción de botones de borrado de dependencias */
.gantt-dep-delete-btn circle {
    transition: fill 0.15s, stroke 0.15s;
}
.gantt-dep-delete-btn:hover circle {
    fill: #dc2626 !important;
    stroke: #ffffff !important;
}
.gantt-dep-group:hover .gantt-dep-arrow {
    stroke: #ef4444 !important;
    stroke-width: 2 !important;
    opacity: 0.9;
}
.gantt-dep-group:hover .gantt-dep-arrowhead {
    fill: #ef4444 !important;
    opacity: 0.9;
}
.gantt-dep-delete-btn text {
    pointer-events: none; /* Evitar que interfiera con el clic en el círculo */
}

/* Estilos de nueva partida y su categoría */
.add-partida-btn:hover {
    background-color: #2563eb !important;
}
.add-partida-btn:active {
    transform: scale(0.98);
}

.badge-partida-new {
    background-color: #fee2e2;
    color: #991b1b;
}
body.dark-theme .badge-partida-new {
    background-color: rgba(153, 27, 27, 0.22);
    color: #fca5a5;
}

/* Animaciones de la escena de construcción del Empty State */
@keyframes jib-swing {
    0% { transform: rotate(0deg); }
    30% { transform: rotate(15deg); }
    50% { transform: rotate(15deg); }
    80% { transform: rotate(-5deg); }
    100% { transform: rotate(0deg); }
}

@keyframes trolley-move {
    0% { transform: translateX(0px); }
    25% { transform: translateX(10px); }
    50% { transform: translateX(-15px); }
    75% { transform: translateX(5px); }
    100% { transform: translateX(0px); }
}

@keyframes cable-hoist {
    0% { y2: 40px; }
    20% { y2: 60px; }
    40% { y2: 40px; }
    60% { y2: 55px; }
    80% { y2: 40px; }
    100% { y2: 40px; }
}

@keyframes load-hoist {
    0% { transform: translateY(0px); }
    20% { transform: translateY(20px); }
    40% { transform: translateY(0px); }
    60% { transform: translateY(15px); }
    80% { transform: translateY(0px); }
    100% { transform: translateY(0px); }
}

@keyframes truck-drive {
    0% { transform: translateX(-60px); }
    15% { transform: translateX(45px); }
    45% { transform: translateX(45px); } /* Detenerse a descargar */
    70% { transform: translateX(240px); }
    100% { transform: translateX(240px); }
}

@keyframes wheel-spin {
    from { transform: rotate(0deg); transform-origin: center; }
    to { transform: rotate(360deg); transform-origin: center; }
}

/* --- ESTILOS RUTA CRÍTICA EN EL ÁRBOL --- */
.tree-node-row--critical {
    border-left: 4px solid #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.03) !important;
}
body.dark-theme .tree-node-row--critical {
    background-color: rgba(239, 68, 68, 0.06) !important;
}

.badge-critical-tree {
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: bold;
    margin-left: 6px;
    display: inline-block;
    vertical-align: middle;
    letter-spacing: 0.3px;
    animation: critical-pulse 2s infinite alternate;
}
body.dark-theme .badge-critical-tree {
    background-color: rgba(185, 28, 28, 0.2);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.4);
}

@keyframes critical-pulse {
    from { transform: scale(1); opacity: 0.9; }
    to { transform: scale(1.03); opacity: 1; }
}

/* --- ESTILOS DE LA AUDITORÍA DE CAMBIOS --- */
.right-controls .audit-log-btn:hover {
    transform: scale(1.15);
}
.right-controls .audit-log-btn:active {
    transform: scale(0.95);
}

/* --- ESTILOS DE TABLAS DE CERTIFICACIÓN Y AUDITORÍA --- */
#auditTableBody tr:hover, #certTableBody tr:hover {
    background-color: var(--hover-bg, rgba(59, 130, 246, 0.03));
}
#auditTableBody td, #certTableBody td {
    border-bottom: 1px solid var(--border-color);
}

/* --- BOTÓN CERTIFICACIONES DE OBRA (Barra superior) --- */
.cert-obras-btn {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(16, 185, 129, 0.25);
}

.cert-obras-btn:hover {
    background: linear-gradient(135deg, #047857, #059669);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.cert-obras-btn:active {
    transform: translateY(0);
}

/* Modo oscuro */
.dark-theme .cert-obras-btn {
    box-shadow: 0 1px 4px rgba(16, 185, 129, 0.35);
}

/* Filas de la tabla de certificaciones globales */
.cert-obras-row:hover {
    background-color: var(--hover-bg, rgba(16, 185, 129, 0.04)) !important;
    cursor: pointer;
}

/* =============================================================================
   PANEL DE CAPÍTULOS
   ============================================================================= */
.chapters-btn {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
    color: #fff;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(124, 58, 237, 0.25);
}
.chapters-btn:hover {
    background: linear-gradient(135deg, #6d28d9, #7c3aed);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.4);
    transform: translateY(-1px);
}
.chapters-btn:active { transform: translateY(0); }
.dark-theme .chapters-btn { box-shadow: 0 1px 4px rgba(139, 92, 246, 0.35); }

.chapters-panel {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    background: var(--bg-color);
}
.chapters-table-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: 0 24px 24px;
}
.chapters-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    min-width: 860px;
}
.chapters-table thead tr {
    background: var(--table-header-bg, #f1f5f9);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1;
}
.chapters-table th, .chapters-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.chapters-table tbody tr:hover {
    background: var(--hover-bg);
}
.chapters-table .chapter-code {
    font-family: monospace;
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 600;
}
.chapters-table .chapter-summary {
    color: var(--text-primary);
    font-weight: 500;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.chapters-table .chapter-amount {
    text-align: right;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}
.chapters-table .chapter-pct {
    text-align: right;
    color: var(--accent);
    font-weight: 600;
}
.resource-bar-container {
    display: flex;
    height: 14px;
    border-radius: 99px;
    overflow: hidden;
    background: var(--border-color);
    gap: 0;
}
.resource-bar-segment { height: 100%; transition: width 0.4s ease; }
.rb-mo  { background: #3b82f6; }
.rb-mat { background: #f59e0b; }
.rb-maq { background: #10b981; }
.rb-sub { background: #8b5cf6; }
.rb-etc { background: #94a3b8; }
.chapters-table .res-val {
    text-align: right;
    font-size: 0.78rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* =============================================================================
   ESTILOS DE IMPRESIÓN — PDF de Certificaciones
   ============================================================================= */
@media print {
    body > * { display: none !important; }
    #certPrintArea { display: block !important; }
}

#certPrintArea {
    display: none;
    font-family: 'Inter', 'Arial', sans-serif;
    font-size: 11pt;
    color: #0f172a;
    padding: 0;
}
#certPrintArea .cert-print-header {
    border-bottom: 3px solid #0ea5e9;
    padding-bottom: 12px;
    margin-bottom: 18px;
}
#certPrintArea .cert-print-title {
    font-size: 16pt;
    font-weight: 700;
    color: #0ea5e9;
    margin: 0 0 4px;
}
#certPrintArea .cert-print-meta {
    font-size: 9pt;
    color: #64748b;
}
#certPrintArea table {
    width: 100%;
    border-collapse: collapse;
    font-size: 9pt;
    margin-bottom: 16px;
}
#certPrintArea th {
    background: #f1f5f9;
    color: #334155;
    padding: 6px 8px;
    text-align: left;
    font-weight: 600;
    border: 1px solid #cbd5e1;
    font-size: 8pt;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
#certPrintArea td {
    padding: 6px 8px;
    border: 1px solid #e2e8f0;
    vertical-align: middle;
}
#certPrintArea tr:nth-child(even) td { background: #f8fafc; }
#certPrintArea .cert-print-total-row td {
    background: #e0f2fe;
    font-weight: 700;
    border-top: 2px solid #0ea5e9;
}
#certPrintArea .cert-print-footer {
    margin-top: 32px;
    display: flex;
    justify-content: space-between;
    font-size: 9pt;
    color: #64748b;
    border-top: 1px solid #cbd5e1;
    padding-top: 12px;
}
#certPrintArea .sign-box {
    border: 1px solid #cbd5e1;
    width: 200px;
    height: 60px;
    text-align: center;
    padding: 8px;
    font-size: 8pt;
    color: #94a3b8;
}

/* Botón llamativo en la pantalla de bienvenida con aura/brillo */
.welcome-load-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent, #3b82f6), #1d4ed8);
    color: #ffffff !important;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.7rem 1.8rem;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4), 0 0 0 0px rgba(59, 130, 246, 0.7);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    animation: btnGlowPulse 2.5s infinite;
}

.welcome-load-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5), 0 0 15px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #2563eb, #1e40af);
}

.welcome-load-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

@keyframes btnGlowPulse {
    0% {
        box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4), 0 0 0 0px rgba(59, 130, 246, 0.5);
    }
    70% {
        box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4), 0 0 0 10px rgba(59, 130, 246, 0);
    }
    100% {
        box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4), 0 0 0 0px rgba(59, 130, 246, 0);
    }
}

/* =============================================================================
   OPTIMIZACIONES MÓVILES Y CONTROLES DE CABECERA
   ============================================================================= */

/* Cabecera oculta */
.main-header.collapsed {
    display: none !important;
}

/* Botón flotante para restaurar/colapsar la cabecera (FAB) */
.floating-expand-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    background-color: var(--accent, #0ea5e9);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.2s, transform 0.2s, background-color 0.2s;
    font-size: 1.3rem;
}
.floating-expand-btn:hover {
    opacity: 1;
    transform: scale(1.08);
    background-color: var(--accent-hover, #0284c7);
}

/* Estilos adaptativos para pantallas móviles de menos de 1024px */
@media screen and (max-width: 1024px) {
    body {
        font-size: 0.78rem !important;
    }
    
    .main-header {
        padding: 0.4rem 0.8rem !important;
        min-height: 48px !important;
        gap: 8px !important;
    }
    
    .logo {
        font-size: 0.95rem !important;
    }
    .logo img {
        height: 32px !important;
    }
    
    /* Adaptar barra de controles en móviles */
    .upload-area form {
        gap: 4px !important;
    }
    
    .upload-btn {
        min-width: 100px !important;
        max-width: 160px !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        font-size: 0.72rem !important;
        padding: 0.4rem 0.5rem !important;
    }
    
    /* Hide button text for navigation, tools and saving on mobile to leave only emojis */
    .nav-tab .btn-text,
    .tool-btn .btn-text,
    .save-btn .btn-text,
    .export-btn .btn-text {
        display: none !important;
    }

    /* Convert buttons into square touch-friendly emoji buttons */
    .nav-tab, .tool-btn, .save-btn, .export-btn {
        min-width: 38px !important;
        width: 38px !important;
        height: 38px !important;
        padding: 0 !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 1.1rem !important;
        border-radius: 6px !important;
    }
    
    /* Slight adjustment for export button to keep the dropdown indicator arrow */
    .export-btn {
        width: 48px !important;
        gap: 2px !important;
    }

    /* Stack them into clean toolbar groups */
    .segmented-control, .tools-group, .export-group {
        gap: 4px !important;
        margin: 0 !important;
    }

    .process-btn, .settings-toggle-btn {
        font-size: 0.75rem !important;
        padding: 0.4rem 0.6rem !important;
        min-width: auto !important;
    }
    
    /* Widget PEM / PEC */
    .budget-widget {
        gap: 4px !important;
    }
    .budget-card {
        padding: 2px 6px !important;
        border-radius: 4px !important;
    }
    .budget-card .lbl {
        font-size: 0.6rem !important;
    }
    .budget-card .val {
        font-size: 0.75rem !important;
    }
    #stats {
        font-size: 0.6rem !important;
    }

    /* Reducción de ancho y tamaño de la tabla/árbol del presupuesto */
    .tree-row-content {
        padding: 4px 2px !important;
    }
    
    /* Emojis e iconos más compactos */
    .toggle-btn {
        font-size: 0.7rem !important;
        width: 16px !important;
        height: 16px !important;
    }
    
    .item-icon {
        font-size: 0.75rem !important;
    }
    
    /* Adaptar barra de búsqueda y botón de filtros en móvil */
    .search-bar-container {
        display: flex !important;
        gap: 8px !important;
        align-items: center !important;
        padding: 0.5rem !important;
        border-bottom: 1px solid var(--border-color) !important;
    }
    .search-bar-container input {
        flex: 1 !important;
        width: 0 !important; /* Permitir que flex-grow controle el ancho */
    }
    
    .filter-toggle-btn-mobile {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background-color: var(--bg-color);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        font-size: 1.1rem;
        width: 38px;
        height: 38px;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.2s;
    }
    .filter-toggle-btn-mobile:hover {
        background-color: var(--hover-bg);
        border-color: var(--accent);
    }
    
    /* Ocultar barra de filtros por defecto en móvil */
    .filter-bar {
        display: none !important;
        padding: 0.5rem 1rem !important;
        gap: 0.75rem !important;
    }
    .filter-bar.visible {
        display: flex !important;
    }
    

    
    /* Planning Gantt y Certificaciones */
    .gantt-chart-header, .gantt-row {
        font-size: 0.7rem !important;
    }
    
    .chapters-table th, .chapters-table td {
        padding: 4px 6px !important;
        font-size: 0.7rem !important;
    }

    /* Position edit pencil button above the next-level chevron */
    .tree-node-row .edit-actions {
        position: absolute !important;
        right: 12px !important;
        top: 6px !important;
        opacity: 0.8 !important; /* Keep visible on mobile touch screens */
        display: flex !important;
        align-items: center !important;
        z-index: 5 !important;
    }
    .btn-edit-pencil {
        font-size: 0.85rem !important;
        padding: 4px !important;
    }
    .col-unit {
        padding-right: 20px !important; /* Prevent overlap with edit pencil */
    }

    /* Make footer banner smaller and in a single line */
    .app-footer {
        padding: 0.25rem 0.75rem !important;
        font-size: 0.62rem !important;
        height: 30px !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
    }

    /* Optimize Welcome / Empty State Card on mobile */
    .empty-state {
        padding: 8px !important;
        height: auto !important;
    }
    .empty-state > div {
        padding: 12px !important;
        gap: 8px !important;
        border-radius: 8px !important;
    }
    /* Hide building crane SVG animation on mobile to save vertical height */
    .construction-animation-container {
        display: none !important;
    }
    .empty-state h2 {
        font-size: 1.05rem !important;
    }
    .empty-state span {
        font-size: 0.72rem !important;
    }
    .empty-state p {
        font-size: 0.75rem !important;
        line-height: 1.35 !important;
    }
    /* Make features list a single vertical column on mobile */
    .empty-state ul {
        grid-template-columns: 1fr !important;
        gap: 2px !important;
        font-size: 0.72rem !important;
    }
    /* Make the active development banner smaller */
    .empty-state div[style*="border-left"] {
        padding: 6px 8px !important;
        font-size: 0.7rem !important;
        line-height: 1.3 !important;
    }
    /* Make the drag-and-drop / load file section smaller */
    .empty-state div[style*="border: 1px dashed"] {
        padding: 8px !important;
        font-size: 0.72rem !important;
        gap: 6px !important;
    }
    .welcome-load-btn {
        padding: 0.5rem 1rem !important;
        font-size: 0.75rem !important;
    }

    /* Adaptaciones para el Banco de Precios Unitarios en móvil */
    .prices-panel {
        padding: 10px !important;
        margin: 0 !important;
        border-radius: 0 !important;
        border-left: none !important;
        border-right: none !important;
        border-top: none !important;
        box-shadow: none !important;
    }
    
    .prices-header-box {
        margin-bottom: 12px !important;
        gap: 10px !important;
    }
    
    .prices-header-box h2 {
        font-size: 1.15rem !important;
        text-align: center !important;
    }
    
    .prices-actions {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
    }
    
    .prices-search-container {
        max-width: 100% !important;
        width: 100% !important;
        min-width: 0 !important;
    }
    
    .prices-search-container input {
        padding: 8px 12px !important;
        font-size: 0.82rem !important;
    }
    
    .prices-tabs {
        width: 100% !important;
        display: flex !important;
        gap: 4px !important;
        padding: 2px !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
        background-color: var(--hover-bg, #f1f5f9) !important;
        border-radius: 6px !important;
        scrollbar-width: none !important; /* Firefox */
    }
    
    .prices-tabs::-webkit-scrollbar {
        display: none !important; /* Chrome, Safari, Opera */
    }
    
    .prices-tabs .tab-btn {
        flex-shrink: 0 !important;
        padding: 6px 12px !important;
        font-size: 0.72rem !important;
    }
    
    .prices-table-container {
        overflow-x: auto !important;
        border-radius: 6px !important;
    }
    
    .prices-table th, .prices-table td {
        padding: 6px 8px !important;
        font-size: 0.72rem !important;
    }

    /* Adaptaciones para el Modal de Certificaciones de Obra en móvil */
    #certObrasModal .modal-content {
        width: 100% !important;
        height: 100% !important;
        max-height: 100vh !important;
        border-radius: 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        box-sizing: border-box !important;
    }
    
    #certObrasModal .modal-header {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
        padding: 12px !important;
    }
    
    #certObrasModal .modal-header h3 {
        font-size: 0.95rem !important;
        text-align: center !important;
        margin: 0 !important;
    }
    
    #certObrasModal .modal-header > div {
        justify-content: center !important;
        width: 100% !important;
        gap: 6px !important;
    }
    
    #certObrasMonthPdfSelect, #exportCertPdfBtn {
        padding: 5px 8px !important;
        font-size: 0.72rem !important;
    }
    
    #certObrasAddPanel {
        padding: 10px 12px !important;
    }
    
    .cert-obras-add-grid {
        grid-template-columns: 1fr 1fr auto !important;
        gap: 8px !important;
    }
    
    .cert-obras-add-grid > div:first-child {
        grid-column: span 3 !important;
    }
    
    #certObrasAddBtn {
        width: 100% !important;
        padding: 7px 10px !important;
        font-size: 0.75rem !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    #certObrasKpiStrip {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
        padding: 10px 12px !important;
    }
    
    #certObrasKpiStrip > div {
        padding: 6px 10px !important;
    }
    
    #certObrasKpiStrip span[style*="font-size: 1.3rem"] {
        font-size: 1rem !important;
    }
    
    #certObrasKpiStrip span[style*="font-size: 0.7rem"] {
        font-size: 0.58rem !important;
    }
    
    #certObrasKpiStrip span[style*="font-size: 0.95rem"] {
        font-size: 0.8rem !important;
    }
    
    .modal-body {
        padding: 10px 12px !important;
    }
    
    #certObrasFilter {
        width: 130px !important;
        font-size: 0.72rem !important;
        padding: 4px 8px !important;
    }

    /* Adaptaciones para el Diagrama de Gantt (Planning) en móvil */
    .gantt-summary-bar {
        padding: 6px 12px !important;
        margin-bottom: 8px !important;
    }
    
    .gantt-summary-summary::-webkit-details-marker {
        display: none !important;
    }
    
    .gantt-summary-summary {
        list-style: none !important;
        display: block !important;
    }
    
    .gantt-summary-content {
        margin-top: 6px !important;
        gap: 8px !important;
    }
    
    .gantt-kpi-group {
        min-width: 100% !important;
        gap: 2px !important;
    }
    
    .gantt-kpi-group h4 {
        font-size: 0.68rem !important;
        padding-bottom: 2px !important;
    }
    
    .gantt-sub-kpi {
        font-size: 0.72rem !important;
    }

    /* Ocultar subcolumnas de la parte izquierda para dejar espacio al nombre de tarea */
    .gh-col-days, .gantt-cell-days,
    .gh-col-progress, .gantt-cell-progress {
        display: none !important;
    }
    
    /* El nombre de tarea ahora tiene todo el ancho de la columna izquierda */
    .gh-col-name, .gantt-cell-name {
        flex: 1 !important;
        width: 100% !important;
    }

    /* Reducir espacio y tamaño de los controles de Gantt en móvil */
    .planning-controls {
        gap: 6px !important;
        width: 100% !important;
    }
    .planning-controls .gantt-action-btn,
    .planning-controls .gantt-mode-btn {
        padding: 4px 8px !important;
        font-size: 0.72rem !important;
        height: 34px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    .planning-controls label {
        font-size: 0.72rem !important;
        gap: 3px !important;
    }
    .planning-controls .gantt-control-input {
        font-size: 0.72rem !important;
        padding: 3px 6px !important;
    }
    #ganttExportDropdown .dropdown-content {
        left: 0 !important;
        right: auto !important;
        min-width: 120px !important;
    }
    #ganttExportDropdown .dropdown-content button {
        padding: 8px 12px !important;
        font-size: 0.75rem !important;
    }

}

/* Pin Lock Overlay Screen styles */
.pin-lock-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
}
.pin-lock-card {
    background-color: #1e293b;
    border: 1px solid #334155;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    width: 85%;
    max-width: 340px;
    text-align: center;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}
.pin-lock-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 0.25rem;
}
.pin-lock-title {
    margin: 0 !important;
    color: #0ea5e9 !important;
    font-size: 1.6rem !important;
    font-weight: 700;
    text-shadow: 0 0 12px rgba(14, 165, 233, 0.5);
}
.pin-lock-subtitle {
    margin: 0 !important;
    font-size: 0.85rem !important;
    color: #94a3b8 !important;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.pin-lock-credits {
    font-size: 0.72rem;
    color: #64748b;
    margin-top: 4px;
    opacity: 0.8;
}
.pin-lock-card input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #334155;
    background-color: #0f172a;
    color: #ffffff;
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 8px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.pin-lock-card input:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}
.pin-lock-card button {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: none;
    background-color: #0ea5e9;
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.pin-lock-card button:hover {
    background-color: #0284c7;
}
.pin-error-msg {
    color: #f87171;
    font-size: 0.8rem;
    margin-top: -4px;
    font-weight: 500;
}

/* =============================================================================
   ESTILOS DE CIERRE DE PRESUPUESTO Y COMPARTICIÓN UNIFICADA EN MÓVIL
   ============================================================================= */

/* Botón cerrar presupuesto (X roja al lado de PROCESA) */
.close-budget-btn {
    background-color: #ef4444 !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 6px !important;
    width: 28px !important;
    height: 28px !important;
    display: none; /* Se activa mediante JS cuando hay un presupuesto cargado */
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.8rem !important;
    font-weight: bold !important;
    cursor: pointer !important;
    transition: background-color 0.2s ease, transform 0.1s ease !important;
    padding: 0 !important;
    margin-left: 6px !important;
}
.close-budget-btn:hover {
    background-color: #dc2626 !important;
    transform: scale(1.05);
}
.close-budget-btn:active {
    transform: scale(0.95);
}

/* Contenedor wrapper de botones de acción */
.actions-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Modificaciones adaptativas para pantallas de menos de 1024px */
@media screen and (max-width: 1024px) {
    .close-budget-btn {
        width: 38px !important;
        height: 38px !important;
        font-size: 1.15rem !important;
        border-radius: 8px !important;
        margin-left: 4px !important;
    }
    
    .actions-wrapper {
        display: flex !important;
        flex-wrap: nowrap !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        background-color: var(--bg-group, #f8fafc);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 4px 6px !important;
        gap: 4px !important;
        box-sizing: border-box !important;
    }
    
    body.dark-theme .actions-wrapper {
        background-color: #1e293b;
        border-color: #334155;
    }
    
    /* Hacemos que los grupos pierdan su fondo y bordes individuales para unirse en una única fila */
    .actions-wrapper .control-container {
        display: contents !important;
    }
    
    /* Homogeneizar botones dentro del wrapper de acciones en móvil */
    .actions-wrapper .nav-tab,
    .actions-wrapper .tool-btn,
    .actions-wrapper .save-btn,
    .actions-wrapper .dropdown {
        margin: 0 !important;
    }
    
    /* El botón del dropdown Exportar y los normales deben ocupar el mismo tamaño */
    .actions-wrapper .export-btn {
        width: 38px !important;
        height: 38px !important;
        padding: 0 !important;
        font-size: 1.1rem !important;
        border-radius: 6px !important;
    }
}

/* --- MODAL DE NOTIFICACIÓN DE ACTUALIZACIÓN CON EFECTOS --- */
.update-notify-content {
    max-width: 290px !important;
    width: 85% !important;
    background-color: var(--bg-group, #ffffff) !important;
    border: 2.5px solid var(--accent, #0ea5e9) !important;
    border-radius: 16px !important;
    padding: 1.5rem !important;
    text-align: center !important;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.4) !important;
    position: relative !important;
    animation: updateGlowHeartbeat 2.8s infinite ease-in-out !important;
    box-sizing: border-box !important;
}

body.dark-theme .update-notify-content {
    background-color: #1e293b !important;
    border-color: #0ea5e9 !important;
    box-shadow: 0 0 25px rgba(14, 165, 233, 0.25) !important;
}

/* Animación de latido y resplandor de luz alrededor del aviso */
@keyframes updateGlowHeartbeat {
    0% {
        transform: scale(1);
        box-shadow: 0 0 15px rgba(14, 165, 233, 0.35), 0 0 2px rgba(14, 165, 233, 0.2);
    }
    14% {
        transform: scale(1.03);
        box-shadow: 0 0 28px rgba(14, 165, 233, 0.7), 0 0 12px rgba(14, 165, 233, 0.45);
    }
    28% {
        transform: scale(1);
        box-shadow: 0 0 15px rgba(14, 165, 233, 0.35), 0 0 2px rgba(14, 165, 233, 0.2);
    }
    42% {
        transform: scale(1.03);
        box-shadow: 0 0 28px rgba(14, 165, 233, 0.7), 0 0 12px rgba(14, 165, 233, 0.45);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 15px rgba(14, 165, 233, 0.35), 0 0 2px rgba(14, 165, 233, 0.2);
    }
}

.update-notify-header h3 {
    margin: 0 !important;
    color: var(--accent, #0ea5e9) !important;
    font-size: 1.15rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em !important;
}

.update-notify-icon {
    font-size: 2.2rem !important;
    margin: 0.6rem 0 !important;
}

.update-notify-title {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 4px 0 !important;
}

.update-notify-text {
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    margin: 2px 0 !important;
}

.update-notify-author {
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    color: var(--accent, #0ea5e9) !important;
    margin: 4px 0 12px 0 !important;
}

.update-notify-version-badge {
    display: inline-block !important;
    background-color: rgba(14, 165, 233, 0.1) !important;
    color: var(--accent, #0ea5e9) !important;
    padding: 4px 12px !important;
    border-radius: 20px !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    border: 1px solid rgba(14, 165, 233, 0.2) !important;
    margin-bottom: 12px !important;
}

.update-notify-btn {
    background-color: var(--accent, #0ea5e9) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 8px 24px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: background-color 0.2s, transform 0.1s !important;
    width: 100% !important;
}

.update-notify-btn:hover {
    background-color: var(--accent-hover, #0284c7) !important;
}

.update-notify-btn:active {
    transform: scale(0.97) !important;
}

}

@media screen and (max-width: 768px) {
    /* Ocultar texto del título en móvil para ganar espacio */
    .gantt-title-text {
        display: none !important;
    }

    /* Ocultar las columnas de Restante y % Ejecutado individuales en móvil */
    .gh-col-days,
    .gh-col-progress,
    .gantt-cell-days,
    .gantt-cell-progress {
        display: none !important;
    }

    /* Alturas de fila adaptadas para mostrar subtexto */
    .gantt-name-row, .gantt-bar-row {
        height: 48px !important;
    }
    
    .gantt-cell-name {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: center !important;
        flex: 1 !important;
        overflow: hidden !important;
        min-width: 0 !important;
        padding-left: 4px !important;
    }
    
    /* Mostrar y maquetar subtexto como flex row ocupando todo el ancho */
    .gantt-task-subtext {
        display: flex !important;
        justify-content: flex-start !important;
        gap: 8px !important;
        align-items: center !important;
        width: 100% !important;
        margin-top: 2px !important;
        font-size: 0.62rem !important;
        color: var(--text-secondary) !important;
        font-weight: 500 !important;
        white-space: nowrap !important;
        box-sizing: border-box !important;
        padding-right: 4px !important;
    }
    
    /* Mostrar wrapper de botones del subtexto */
    .gantt-mini-btns-wrapper {
        margin-left: 4px !important;
        display: inline-flex !important;
        gap: 2px !important;
        vertical-align: middle !important;
        flex-shrink: 0 !important;
    }
    
    .gantt-mini-prog-btn {
        width: 18px !important;
        height: 18px !important;
        border-radius: 4px !important;
        border: 1px solid var(--border-color, #e2e8f0) !important;
        background-color: var(--card-bg, #ffffff) !important;
        color: var(--text-primary, #0f172a) !important;
        font-size: 0.65rem !important;
        font-weight: bold !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        cursor: pointer !important;
        padding: 0 !important;
        line-height: 1 !important;
        transition: transform 0.1s, background-color 0.2s !important;
    }
    
    .gantt-mini-prog-btn:active {
        transform: scale(0.85) !important;
    }
    
    .gantt-mini-prog-btn:hover {
        background-color: var(--hover-bg, #f1f5f9) !important;
    }
    
    .gantt-left-col {
        overflow-x: auto !important;
    }
}

/* Modal flotante de información detallada (Long Press) */
.gantt-popup-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: ganttFadeIn 0.2s ease-out;
}
.gantt-popup-content {
    background-color: var(--card-bg, #ffffff);
    color: var(--text-primary, #0f172a);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 12px;
    width: 90%;
    max-width: 380px;
    padding: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    text-align: left;
    animation: ganttScaleUp 0.2s ease-out;
    box-sizing: border-box;
}
.gantt-popup-modal.fade-out {
    opacity: 0;
    transition: opacity 0.2s ease-out;
}
.gantt-popup-content h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.15rem !important;
    color: var(--accent, #0ea5e9) !important;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
    padding-bottom: 8px;
    font-weight: 700;
    line-height: 1.35 !important;
}
.gantt-popup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
    box-sizing: border-box;
}
.gantt-popup-card {
    background-color: var(--sidebar-bg, #f8fafc);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    padding: 10px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 70px;
}
body.dark-theme .gantt-popup-card {
    background-color: #1e293b;
    border-color: #334155;
}
.gantt-popup-card.full-width {
    grid-column: span 2;
    min-height: 60px;
}
.popup-card-title {
    font-size: 0.65rem !important;
    text-transform: uppercase;
    color: var(--text-secondary, #64748b);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.popup-card-value {
    font-size: 1.15rem !important;
    font-weight: 700;
    color: var(--accent, #0ea5e9);
}
.popup-card-value-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.popup-card-btn {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--border-color, #e2e8f0);
    background-color: var(--card-bg, #ffffff);
    color: var(--text-primary, #0f172a);
    font-size: 0.95rem;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: background-color 0.2s, transform 0.1s;
}
body.dark-theme .popup-card-btn {
    background-color: #334155;
    border-color: #475569;
    color: #ffffff;
}
.popup-card-btn:active {
    transform: scale(0.9);
}
.popup-card-btn:hover {
    background-color: var(--hover-bg, #f1f5f9);
}
.popup-card-input {
    width: 100%;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 6px;
    padding: 4px;
    font-size: 0.8rem !important;
    font-weight: 600;
    background-color: var(--card-bg, #ffffff);
    color: var(--text-primary, #0f172a);
    box-sizing: border-box;
    outline: none;
    font-family: inherit;
}
body.dark-theme .popup-card-input {
    background-color: #334155;
    border-color: #475569;
    color: #ffffff;
}
.gantt-popup-close {
    background-color: var(--accent, #0ea5e9);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: 16px;
    transition: background-color 0.2s;
}
.gantt-popup-close:hover {
    background-color: var(--accent-hover, #0284c7);
}

@keyframes ganttFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes ganttScaleUp {
    from { transform: scale(0.9); }
    to { transform: scale(1); }
}

.gantt-dropdown-item-btn {
    width: 100% !important;
    text-align: left !important;
    padding: 8px 12px !important;
    background: none !important;
    border: none !important;
    color: var(--text-primary, #0f172a) !important;
    font-size: 0.85rem !important;
    cursor: pointer !important;
    box-sizing: border-box !important;
    display: block !important;
}
.gantt-dropdown-item-btn:hover {
    background-color: var(--hover-bg, #f1f5f9) !important;
}
.gantt-dropdown-item-btn.active {
    font-weight: bold !important;
    color: var(--accent, #0ea5e9) !important;
}