/* ==========================================
   CSS DESIGN SYSTEM & DESIGN TOKENS
   AIDA Acoustique - Premium Aesthetics
   ========================================== */

:root {
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Transition Speeds */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows (Optimized for Light Theme) */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-pill: 9999px;

    /* Light Theme Colors (Default) */
    --bg-app: #f5f7fa;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #edf0f5;
    --bg-table-hover: #f3f6fa;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.16);
    
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-inverse: #ffffff;

    /* AÏDA Official Brand Palette Hex Codes (Adapted for Light Backgrounds) */
    --aida-primary: #2a5343;      /* 42 83 67 (Dark Green) */
    --aida-success: #26523f;      /* Darkened for perfect contrast on light bg */
    --aida-warning: #c27600;      /* Darkened for contrast */
    --aida-danger: #be2117;       /* Darkened for contrast */
    --aida-plum: #550e65;         /* 85 14 101 */
    --aida-lavender: #a82fc2;     /* Darkened lavender */

    /* Accent & Semantic Colors */
    --color-primary: var(--aida-primary);
    --color-primary-hover: #1b362c;
    --color-primary-light: rgba(42, 83, 67, 0.1);

    --color-success: var(--aida-success);
    --color-success-light: rgba(38, 82, 63, 0.1);

    --color-danger: var(--aida-danger);
    --color-danger-light: rgba(190, 33, 23, 0.1);

    --color-warning: var(--aida-warning);
    --color-warning-light: rgba(194, 118, 0, 0.1);

    --color-purple: var(--aida-plum);
    --color-purple-light: rgba(85, 14, 101, 0.08);
    
    --color-secondary-blue: #364d93;
    --color-muted-wood: #735016;
    
    --scrollbar-thumb: #cbd5e1;
}

/* ==========================================
   RESET & BASICS
   ========================================== */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) transparent;
}

/* Custom Scrollbar for premium feel */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-app);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ==========================================
   APP GRID LAYOUT
   ========================================== */

.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
    position: relative;
}

body.not-logged-in .app-container {
    display: none !important;
}

@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 80px 1fr;
    }
}

/* Sidebar Styling */
.app-sidebar {
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
    position: sticky;
    top: 0;
    z-index: 10;
    transition: background-color var(--transition-normal), border-right var(--transition-normal), width var(--transition-normal);
}

.brand {
    margin-bottom: 40px;
}

.brand-identity {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
}

.brand-logo {
    max-width: 220px;
    height: auto;
    display: block;
}

.brand-tagline {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

@media (max-width: 1024px) {
    .brand-tagline {
        display: none;
    }
    .brand-identity {
        align-items: center;
    }
    .brand-logo {
        max-width: 40px;
    }
}

/* Nav Menu */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-btn {
    background: none;
    border: none;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
    width: 100%;
}

.nav-btn i {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.nav-btn:hover {
    color: var(--text-main);
    background-color: var(--border-color);
}

.nav-btn:hover i {
    transform: translateX(3px);
}

.nav-btn.active {
    color: white;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    box-shadow: 0 4px 14px rgba(42, 83, 67, 0.25);
}

@media (max-width: 1024px) {
    .nav-btn span {
        display: none;
    }
    .nav-btn {
        justify-content: center;
        padding: 16px;
    }
}

/* Theme Switch */
.theme-switch-container {
    margin-top: auto;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.theme-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

@media (max-width: 1024px) {
    .theme-label {
        display: none;
    }
    .theme-switch-wrapper {
        justify-content: center;
    }
}

.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 46px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: var(--transition-normal);
}

.slider:before {
    background-color: white;
    bottom: 4px;
    content: "";
    height: 16px;
    left: 4px;
    position: absolute;
    transition: var(--transition-normal);
    width: 16px;
}

input:checked + .slider {
    background-color: var(--color-primary);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: var(--radius-pill);
}

.slider.round:before {
    border-radius: 50%;
}

.sidebar-footer {
    padding-top: 12px;
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

@media (max-width: 1024px) {
    .sidebar-footer {
        display: none;
    }
}

/* ==========================================
   MAIN CONTENT AREA
   ========================================== */

.app-main {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}

.app-header {
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 5;
    transition: background-color var(--transition-normal), border-bottom var(--transition-normal);
}

@media (max-width: 640px) {
    .app-header {
        padding: 16px 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

.header-title h2 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.breadcrumbs {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

#breadcrumb-active {
    color: var(--color-primary);
    font-weight: 600;
}

.content-wrapper {
    padding: 40px;
    flex-grow: 1;
}

@media (max-width: 640px) {
    .content-wrapper {
        padding: 20px;
    }
}

/* ==========================================
   TAB NAVIGATION SYSTEM
   ========================================== */

.tab-content {
    display: none;
    animation: fadeIn var(--transition-normal) forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    border: none;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(42, 83, 67, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-table-hover);
    border-color: var(--border-hover);
}

.btn-text {
    background: none;
    color: var(--text-muted);
    font-weight: 600;
    padding: 6px 12px;
}

.btn-text:hover {
    color: var(--color-danger);
    background-color: var(--color-danger-light);
}

.btn-pagination {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-pagination:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-full {
    width: 100%;
    padding: 14px;
}

/* ==========================================
   KPI OVERVIEW CARDS
   ========================================== */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.kpi-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.icon-blue {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.icon-purple {
    background-color: var(--color-purple-light);
    color: var(--color-purple);
}

.icon-green {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.icon-orange {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.kpi-data {
    display: flex;
    flex-direction: column;
}

.kpi-value {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    line-height: 1.1;
}

.kpi-greeting-value {
    font-size: 22px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kpi-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==========================================
   CARDS & GRIDS
   ========================================== */

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.icon-header {
    color: var(--color-primary);
}

.dashboard-visuals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .dashboard-visuals-grid {
        grid-template-columns: 1fr;
    }
}

.chart-wrapper {
    position: relative;
    height: 420px;
    width: 100%;
}

/* Recent Measures Widget */
.recent-measures-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 420px;
    overflow-y: auto;
    padding-right: 4px;
}

.recent-measure-item {
    background: var(--bg-card, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
    border-radius: 10px;
    padding: 12px 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.recent-measure-item:hover {
    border-color: var(--color-primary);
    background: var(--bg-hover, rgba(99, 102, 241, 0.05));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.recent-measure-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.recent-measure-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.recent-measure-title {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-measure-proj {
    font-size: 11.5px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-measure-metrics {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.recent-measure-val {
    font-weight: 700;
    font-size: 13.5px;
    color: var(--color-primary);
}

.recent-measure-desc {
    font-size: 11.5px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-top: 4px;
    border-top: 1px dashed var(--border-color, rgba(255, 255, 255, 0.06));
}

/* ==========================================
   FILTERS COMPONENT
   ========================================== */

.filters-card {
    padding: 24px;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.filters-header h3 {
    margin-bottom: 0;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px 20px;
    align-items: end;
}

#labo-filters {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 100;
}

#labo-filters.has-open-dropdown,
#labo-filters:has(.multiselect-container.open) {
    z-index: 999999 !important;
}

.filter-section-heading {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--color-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
    margin-top: 8px;
    margin-bottom: 4px;
}

.filters-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px 20px;
    align-items: end;
    position: relative;
    z-index: 10;
}

.filters-row.has-open-dropdown,
.filters-row:has(.multiselect-container.open) {
    z-index: 999999 !important;
}

.filters-row .search-group {
    grid-column: span 4;
}

@media (max-width: 1200px) {
    .filters-row {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
    .filters-row .search-group {
        grid-column: span 1;
    }
}

@media (max-width: 640px) {
    .filters-grid {
        grid-template-columns: 1fr;
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: flex-end;
}

.filter-group label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.4px;
    min-height: 28px;
    display: flex;
    align-items: flex-end;
    line-height: 1.15;
    margin-bottom: 0;
    box-sizing: border-box;
}

.filter-select, .filter-input, .form-control {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    width: 100%;
    height: 46px;
    box-sizing: border-box;
    outline: none;
    transition: all var(--transition-fast);
}

.filter-select:hover, .filter-input:hover, .form-control:hover {
    border-color: var(--border-hover);
}

.filter-select:focus, .filter-input:focus, .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.filter-input {
    padding-left: 44px;
}

/* ==========================================
   COMPARE MODE BAR
   ========================================== */

.compare-bar {
    background: linear-gradient(135deg, var(--bg-card), var(--color-primary-light));
    border-left: 5px solid var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    margin-bottom: 24px;
    animation: slideIn var(--transition-normal) forwards;
}

.compare-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.compare-info i {
    font-size: 20px;
    color: var(--color-primary);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

/* ==========================================
   PREMIUM TABLES
   ========================================== */

.table-card {
    padding: 0;
    overflow: hidden;
}

.table-toolbar {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.table-title-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.table-title-group h3 {
    margin-bottom: 0;
}

.badge {
    background-color: var(--bg-input);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}

.badge-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.table-wrapper {
    overflow-x: auto;
    width: 100%;
}

.premium-table {
    border-collapse: collapse;
    width: 100%;
    text-align: left;
    font-size: 14px;
}

.premium-table th {
    background-color: var(--bg-sidebar);
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    padding: 16px 24px;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast);
}

.premium-table th:hover {
    background-color: var(--bg-input);
    color: var(--text-main);
}

.premium-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    font-weight: 600;
    white-space: nowrap;
    transition: background-color var(--transition-fast);
}

.dynamic-table tbody tr {
    cursor: pointer;
}

.dynamic-table tbody tr:hover td {
    background-color: var(--bg-table-hover);
}

.dynamic-table tbody tr.selected td {
    background-color: var(--color-primary-light);
}

/* Table Alignment */
.center { text-align: center; }
.right { text-align: right; }

/* Status Badges */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}

.status-conforme {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.status-tolerance {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

.status-nonconforme {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-direction {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.dir-vertical {
    background-color: var(--color-purple-light);
    color: var(--color-purple);
}

.dir-horizontal {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.dir-inconnu {
    background-color: var(--bg-input);
    color: var(--text-muted);
}

/* Compare Columns Checkbox */
.col-compare {
    width: 40px;
    padding-right: 0 !important;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--border-hover);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Pagination Styling */
.table-pagination {
    padding: 16px 28px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pagination-info {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}

.pagination-buttons {
    display: flex;
    gap: 12px;
}

/* ==========================================
   PROJECTS DASHBOARD LISTING
   ========================================== */

.projects-header {
    margin-bottom: 0;
}

.projects-header p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}

@media (max-width: 640px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

.project-card {
    display: flex;
    flex-direction: column;
    margin-bottom: 0; /* overridden in grid */
    padding: 32px;
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.project-card-header h3 {
    margin-bottom: 0;
    font-size: 18px;
    line-height: 1.3;
}

.project-info-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.project-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    background-color: var(--bg-input);
    color: var(--text-muted);
}

.project-badge-system {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 800;
}

.project-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    background-color: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 24px;
}

.proj-stat {
    display: flex;
    flex-direction: column;
}

.proj-stat-val {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
}

.proj-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.project-observations {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 24px;
    line-height: 1.6;
}

.project-observations strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 6px;
}

/* ==========================================
   SPECTRUM DRAWER (SLIDE-IN SIDEBAR)
   ========================================== */

/* Edit Mode Styles */
.edit-input, .edit-input-sm {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-family: inherit;
    font-size: inherit;
    padding: 2px 4px;
    border-radius: 4px;
    width: 100%;
}

.edit-input-sm {
    font-size: 13px;
}

.edit-input:not([readonly]):not([disabled]), 
.edit-input-sm:not([readonly]):not([disabled]) {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
}

.edit-input:focus, .edit-input-sm:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(9, 132, 227, 0.2);
}

.drawer-overlay {
    background-color: rgba(0, 0, 0, 0.6);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

.drawer {
    background-color: var(--bg-card);
    border-left: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    right: -960px;
    width: 960px;
    height: 100vh;
    z-index: 111;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal);
}

@media (max-width: 960px) {
    .drawer {
        width: 100%;
        right: -100%;
    }
}

.drawer.active {
    right: 0;
}

.drawer-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.drawer-title-group h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
}

.drawer-sub {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

.btn-close-drawer, .btn-close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-close-drawer:hover, .btn-close-modal:hover {
    color: var(--color-danger);
}

.drawer-content {
    padding: 32px;
    overflow-y: hidden;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.drawer-section {
    margin-bottom: 28px;
}

.drawer-section h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.detail-val {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

/* Score Card */
.score-card {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.score-item {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.border-left {
    border-left: 1px solid var(--border-color);
    padding-left: 16px;
}

.score-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.score-val {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
}

.score-conformity {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    margin-left: auto;
}

.score-conformity.conforme {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.score-conformity.tolerance {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

.score-conformity.nonconforme {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.spectrum-graph-wrapper {
    position: relative;
    height: 550px;
    width: 100%;
    margin-top: 10px;
}

.no-spectrum-msg {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    background-color: var(--bg-input);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-sm);
    margin-top: 10px;
}

.no-spectrum-msg i {
    font-size: 32px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.no-spectrum-msg p {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 6px;
}

.no-spectrum-msg span {
    font-size: 12px;
    color: var(--text-muted);
}

.drawer-footer {
    padding: 24px 32px;
    border-top: 1px solid var(--border-color);
}

/* ==========================================
   MODALS SHEETS & DIALOGS
   ========================================== */

.modal-overlay {
    background-color: rgba(0, 0, 0, 0.6);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 101;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

#login-modal-overlay {
    background-color: #ffffff;
}

.modal {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -45%) scale(0.95);
    width: 800px;
    max-height: 90vh;
    z-index: 102;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

@media (max-width: 860px) {
    .modal {
        width: calc(100% - 40px);
    }
}

.modal.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
}

.modal-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
}

.modal-content {
    padding: 32px;
    overflow-y: auto;
}

.modal-footer {
    padding: 24px 32px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

/* Modal layout for multi spectrums */
.modal-layout {
    display: flex;
    gap: 32px;
    align-items: stretch;
}

.modal-chart-area {
    width: 450px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .modal-layout {
        flex-direction: column;
    }
    .modal-chart-area {
        width: 100%;
    }
}

.big-graph {
    height: 600px;
}

.modal-sidebar {
    flex-grow: 1;
    border-left: 1px solid var(--border-color);
    padding-left: 32px;
    max-height: 600px;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .modal-sidebar {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border-color);
        padding-top: 24px;
    }
}

.modal-sidebar h4 {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.compare-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.compare-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
}

.color-indicator {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    flex-shrink: 0;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 11px;
    line-height: 1.4;
}

.compare-table th, .compare-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: middle;
}

.compare-table th {
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 9px;
    letter-spacing: 0.5px;
    background-color: var(--bg-secondary);
}

.compare-table tr:hover td {
    background-color: var(--bg-table-hover);
}

.compare-table td.property-name {
    font-weight: 700;
    color: var(--text-main);
    width: 35%;
}

.compare-table td.measure-val {
    color: var(--text-main);
}

/* Large Modal override for compare mode */
.large-modal {
    width: 1100px;
    max-width: 95vw;
}

/* AI Compare Section */
.compare-ai-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.compare-ai-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.compare-ai-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.compare-ai-header h4 i {
    color: var(--color-primary);
}

.compare-ai-body {
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    min-height: 100px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-main);
    position: relative;
    transition: all var(--transition-normal);
}

.compare-ai-placeholder {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    margin: 20px 0;
}

.compare-ai-error {
    color: var(--color-danger);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.compare-ai-loading {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 10px 0;
}

.skeleton-line {
    height: 14px;
    background: linear-gradient(90deg, var(--border-color) 25%, var(--bg-card) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: loading-skeleton 1.5s infinite;
    border-radius: 4px;
}

.skeleton-line:nth-child(1) { width: 40%; }
.skeleton-line:nth-child(2) { width: 85%; }
.skeleton-line:nth-child(3) { width: 75%; }
.skeleton-line:nth-child(4) { width: 90%; }
.skeleton-line:nth-child(5) { width: 60%; }

@keyframes loading-skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.compare-ai-result-content {
    animation: fadeIn var(--transition-normal);
}

.compare-ai-result-content h1, 
.compare-ai-result-content h2, 
.compare-ai-result-content h3 {
    color: var(--color-primary);
    margin-top: 16px;
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 700;
}

.compare-ai-result-content h1:first-child, 
.compare-ai-result-content h2:first-child, 
.compare-ai-result-content h3:first-child {
    margin-top: 0;
}

.compare-ai-result-content p {
    margin-bottom: 12px;
}

.compare-ai-result-content ul, 
.compare-ai-result-content ol {
    margin-bottom: 12px;
    padding-left: 20px;
}

.compare-ai-result-content li {
    margin-bottom: 6px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

/* Edit project modal specific */
.edit-modal {
    width: 550px;
}

.small-modal {
    max-width: 500px;
}

.text-white {
    color: #ffffff !important;
}

.bg-danger {
    background-color: var(--color-danger) !important;
}

.modal-header.bg-danger {
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.text-center {
    text-align: center;
}

.py-4 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.select-control {
    cursor: pointer;
}

.text-area-control {
    resize: none;
    line-height: 1.5;
}

.form-control:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--bg-sidebar);
}

/* ==========================================
   TOAST NOTIFICATION
   ========================================== */

.toast {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 999;
    font-size: 14px;
    font-weight: 700;
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.active {
    bottom: 32px;
    opacity: 1;
}

.toast-icon {
    font-size: 18px;
}

.toast-icon.success {
    color: var(--color-success);
}

.toast-icon.error {
    color: var(--color-danger);
}

/* ==========================================
   PREMIUM STRUCTURED ROOM STYLES & LAYOUTS
   ========================================== */

.room-premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-main);
    background-color: var(--bg-app);
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
    transition: var(--transition-fast);
}

.room-premium-badge:hover {
    border-color: var(--color-primary-light);
    background-color: var(--bg-table-hover);
}

.room-part-sep {
    color: var(--text-muted);
    font-size: 9px;
    padding: 0 1px;
    opacity: 0.7;
}

.room-part {
    font-weight: 500;
}

.room-part.etage {
    color: var(--color-purple); /* AÏDA deep purple */
    font-weight: 700;
}

.room-part.bat {
    color: var(--color-secondary-blue); /* AÏDA blue */
    font-weight: 600;
}

.room-part.num {
    color: var(--color-primary); /* AÏDA dark green */
    font-weight: 700;
}

.room-part.type {
    color: var(--color-muted-wood); /* Muted wood brown */
    font-size: 11.5px;
}

/* Structured Localization Panels inside the Drawer */
.localization-section {
    margin-bottom: 28px;
}

.localization-title {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.localization-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

@media (min-width: 480px) {
    .localization-cards {
        grid-template-columns: 1fr 1fr;
    }
}

.local-card {
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    transition: var(--transition-normal);
}

.local-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.local-card-title {
    font-size: 11px;
    font-weight: 800;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.local-card-title.reception {
    color: var(--color-purple);
}

.local-card-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    row-gap: 8px;
    column-gap: 12px;
    font-size: 13px;
}

.local-card-row-label {
    font-weight: 700;
    color: var(--text-muted);
}

.local-card-row-val {
    font-weight: 600;
    color: var(--text-main);
}

.local-card-row-val.badge-val {
    background-color: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 11px;
    display: inline-block;
    width: fit-content;
}

/* Premium Custom Toggle and Interactive Elements */
.db-source-toggle {
    position: relative;
    display: inline-flex;
    background-color: var(--bg-input);
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-right: 15px;
    z-index: 1;
}

.toggle-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    height: calc(100% - 8px);
    width: calc(50% - 4px);
    background-color: var(--color-primary);
    border-radius: calc(var(--radius-md) - 2px);
    box-shadow: var(--shadow-sm);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.db-source-toggle.source-labo .toggle-indicator {
    transform: translateX(100%);
}

.source-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: calc(var(--radius-md) - 2px);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.25s ease;
    position: relative;
    z-index: 2;
}

.source-btn:hover {
    color: var(--text-main);
}

.source-btn.active {
    color: var(--text-inverse);
}

.switch-container {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-main);
}

.switch-input {
    display: none;
}

.switch-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: var(--bg-input);
    border-radius: 9999px;
    transition: background-color var(--transition-fast);
    border: 1px solid var(--border-color);
}

.switch-slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.switch-input:checked + .switch-slider {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.switch-input:checked + .switch-slider:before {
    transform: translateX(20px);
}

/* Expanded Selectable Hit-Area for Comparison Column */
.col-compare {
    width: 50px;
    padding: 0 !important;
    vertical-align: middle;
    text-align: center;
    transition: background-color var(--transition-fast);
}

.col-compare:hover {
    background-color: rgba(42, 83, 67, 0.08) !important;
}

.col-compare .checkbox-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 48px;
    padding: 0;
    padding-left: 8px;
    margin: 0;
    cursor: pointer;
}

.col-compare .checkmark {
    position: relative;
    left: auto;
    margin: 0;
    flex-shrink: 0;
}

/* Dynamic switching animations */
@keyframes filterFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filters-grid-animate {
    animation: filterFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes rowFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dynamic-table tbody tr {
    animation: rowFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Spectrum Values Grid in Drawer */
.spectrum-values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(68px, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.spectrum-input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--bg-app);
    padding: 6px 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.spectrum-freq-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.spectrum-value-input {
    width: 100%;
    border: none;
    background: transparent;
    text-align: center;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    outline: none;
}

.spectrum-value-input:not([readonly]) {
    background-color: var(--bg-card);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

.spectrum-value-input:not([readonly]):focus {
    border-color: var(--color-primary);
}

.spectrum-value-input::-webkit-outer-spin-button,
.spectrum-value-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.spectrum-value-input[type=number] {
    -moz-appearance: textfield;
}

/* Legend Toggle Pills */
.legend-toggles-container {
    display: none !important;
}

.legend-toggles-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-right: 8px;
}

.legend-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-main);
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast) ease;
}

.legend-pill:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(9, 132, 227, 0.05);
}

.legend-pill.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

/* Collapsable Category Styling inside the Drawer */
.nested-section {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    background-color: var(--bg-secondary);
    overflow: hidden;
    transition: border-color var(--transition-fast) ease;
}
.nested-section summary {
    padding: 14px 18px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    outline: none;
    background-color: var(--bg-input);
    color: var(--text-main);
    transition: background var(--transition-fast) ease;
}
.nested-section summary::-webkit-details-marker {
    display: none;
}
.nested-section summary::after {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    content: "\f078"; /* fa-chevron-down arrow */
    font-size: 11px;
    color: var(--text-muted);
    transition: transform var(--transition-fast) ease;
}
details[open] summary::after {
    transform: rotate(180deg);
}
.nested-section summary:hover {
    background-color: rgba(9, 132, 227, 0.05);
}
.nested-content {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-main);
}
.sub-element-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    background-color: var(--bg-secondary);
    overflow: hidden;
    transition: border-color var(--transition-fast) ease;
}
.sub-element-card:hover {
    border-color: var(--color-primary-light);
}
.sub-element-card summary {
    padding: 12px 14px;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    outline: none;
    background-color: var(--bg-input);
    color: var(--text-main);
    transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
}
.sub-element-card summary::-webkit-details-marker {
    display: none;
}
.sub-element-card summary::after {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    content: "\f078"; /* fa-chevron-down arrow */
    font-size: 10px;
    color: var(--text-muted);
    transition: transform var(--transition-fast) ease;
}
.sub-element-card[open] summary {
    border-bottom: 1px solid var(--border-color);
}
.sub-element-card[open] summary::after {
    transform: rotate(180deg);
}
.sub-element-card summary:hover {
    background-color: rgba(9, 132, 227, 0.05);
    color: var(--color-primary);
}
.sub-element-content {
    background-color: var(--bg-main);
    padding: 14px;
}

/* Remove default browser focus outline box on details & summary elements */
summary, details, summary:focus, summary:focus-visible, summary:active, details:focus, details:focus-visible, details:active {
    outline: none !important;
    box-shadow: none !important;
}

/* Drawer Two-Column Grid Layout */
.drawer-layout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: stretch;
    flex-grow: 1;
    min-height: 0;
    height: 100%;
}

.drawer-layout-col-left {
    height: 100%;
    overflow-y: auto;
    padding-right: 8px;
}

.drawer-layout-col-right {
    height: 100%;
    overflow-y: auto;
    padding-right: 8px;
}

@media (max-width: 960px) {
    .drawer-content {
        overflow-y: auto;
    }
    .drawer-layout-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        height: auto;
    }
    .drawer-layout-col-left, .drawer-layout-col-right {
        height: auto;
        overflow-y: visible;
        padding-right: 0;
    }
}

/* ==========================================
   COMPLEX BUILDUP VISUALIZER
   ========================================== */

.complex-visualizer-wrapper {
    display: flex;
    gap: 16px;
    align-items: stretch;
    margin-top: 8px;
    width: 100%;
    margin-bottom: 12px;
}

.complex-visualizer-graphic {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-card);
}

.complex-layer {
    position: relative;
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast) ease;
    box-sizing: border-box;
    overflow: hidden;
}

.complex-layer:last-child {
    border-bottom: none;
}

.complex-layer:hover {
    filter: brightness(0.96);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}

.layer-content-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    z-index: 5;
    pointer-events: none; /* Let hovers pass through */
}

.layer-title-text {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background-color: rgba(255, 255, 255, 0.85);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
    max-width: 90%;
}

/* Layer Types & Styles */

/* 1. Covering (Revêtement) */
.layer-covering {
    background: linear-gradient(to bottom, #d2b48c, #c5a059); /* wood/parquet color default */
    border-top: 2px solid #8b5a2b;
}

/* 2. Technical Floor */
.layer-technical-floor {
    background: repeating-linear-gradient(90deg, #dfdfdf, #dfdfdf 20px, #cccccc 20px, #cccccc 22px);
}

/* 3. Concrete (Chape humide, dalle structural) */
.layer-concrete {
    background: linear-gradient(135deg, #bdc3c7, #95a5a6);
    /* Subtle concrete dot texture */
    background-image: radial-gradient(rgba(0, 0, 0, 0.15) 1px, transparent 0);
    background-size: 8px 8px;
}

.layer-concrete-structural {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
    background-image: radial-gradient(rgba(0, 0, 0, 0.2) 1px, transparent 0);
    background-size: 6px 6px;
    border-bottom: 2px solid #5d6d7e;
}

/* 4. Concrete Board / Chape sèche */
.layer-concrete-board {
    background: linear-gradient(to bottom, #e2e4e6, #d1d5db);
    border-bottom: 1px solid #9ca3af;
}

.plasterboard-sheets-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.plasterboard-single-sheet {
    width: 100%;
    box-sizing: border-box;
    background: #ffffff;
    border-bottom: 1px solid #d1d5db;
}

.plasterboard-single-sheet:last-child {
    border-bottom: none;
}

/* 5. Concrete Light / Ravoirage */
.layer-concrete-light {
    background: linear-gradient(135deg, #e5e8e8, #bdc3c7);
    background-image: radial-gradient(rgba(0, 0, 0, 0.1) 1px, transparent 0);
    background-size: 10px 10px;
}

/* 6. Resilient (Acoustic underlayment) */
.layer-resilient {
    background: repeating-linear-gradient(45deg, #3498db, #3498db 8px, #2980b9 8px, #2980b9 16px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.layer-resilient .layer-title-text {
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(41, 128, 185, 0.3);
    color: #2980b9;
}

/* 7. Wood (CLT, Solives) */
.layer-wood {
    background: linear-gradient(to bottom, #f3d4b6, #e4b382);
}

.layer-wood-clt {
    background: #e4b382;
    position: relative;
}

.clt-plies-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.clt-ply {
    width: 100%;
    box-sizing: border-box;
}

.clt-ply-horiz {
    background: linear-gradient(to right, #f4d9bc, #e8be91);
    border-bottom: 1px solid rgba(139, 90, 43, 0.15);
}

.clt-ply-vert {
    background: repeating-linear-gradient(90deg, #d7a15c, #d7a15c 8px, #c58f49 8px, #c58f49 10px);
    border-bottom: 1px solid rgba(139, 90, 43, 0.15);
}

.clt-ply:last-child {
    border-bottom: none;
}

/* Wood Joists */
.layer-wood-joists {
    background: #f8f9fa;
    border-top: 1px solid #d1d5db;
    border-bottom: 1px solid #d1d5db;
}

.joists-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
}

.joist-stud {
    width: 25px;
    background: repeating-linear-gradient(45deg, #e4b382, #e4b382 5px, #d49c6a 5px, #d49c6a 10px);
    border-left: 1px solid #8b5a2b;
    border-right: 1px solid #8b5a2b;
}

.joist-cavity-fill {
    flex-grow: 1;
    background: repeating-linear-gradient(45deg, #fef9e7, #fef9e7 10px, #fdf2e9 10px, #fdf2e9 20px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Wood Dowelled / Tourillonné */
.layer-wood-dowelled {
    background: repeating-linear-gradient(90deg, #f4d9bc, #f4d9bc 15px, #e4b382 15px, #e4b382 30px);
    border-bottom: 1px solid rgba(139, 90, 43, 0.2);
}

/* CLT Ribbed */
.layer-wood-ribbed {
    background: #fdfefe;
    border-bottom: 1px solid #d1d5db;
}

/* Composite Wood-Concrete */
.layer-wood-concrete {
    background: linear-gradient(to bottom, #bdc3c7 40%, #e4b382 40%);
}

/* 8. Plenum */
.layer-plenum {
    background-color: rgba(235, 245, 251, 0.4);
    border: 1px dashed rgba(52, 152, 219, 0.3);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.plenum-air {
    width: 100%;
    background-color: transparent;
}

.plenum-insulation {
    width: 100%;
    background-color: #f7dc6f;
    /* Wave/wool texture */
    background-image: repeating-linear-gradient(45deg, rgba(241, 196, 15, 0.1), rgba(241, 196, 15, 0.1) 4px, rgba(244, 208, 63, 0.25) 4px, rgba(244, 208, 63, 0.25) 8px);
    border-top: 1px dashed #f1c40f;
}

/* Plasterboard / ceiling */
.layer-plasterboard {
    background: #ffffff;
    border-top: 1px solid #cbd5e1;
    border-bottom: 2px solid #94a3b8;
}

.layer-plasterboard .layer-title-text {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

/* 9. Ballast (gravier, sable) */
.layer-ballast {
    background: linear-gradient(to bottom, #d5dbdb, #a6acaf);
    background-image: radial-gradient(circle, #566573 1px, transparent 1.5px);
    background-size: 6px 6px;
}

/* 10. Fireproof */
.layer-fireproof {
    background: linear-gradient(to bottom, #f1948a, #c0392b);
    border-bottom: 1px solid #78281f;
}

/* Indicator total thickness styling */
.complex-visualizer-total {
    width: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-left: 2px solid var(--color-primary);
    position: relative;
    padding-left: 12px;
}

.thickness-line {
    position: absolute;
    left: -6px;
    top: 0;
    bottom: 0;
    width: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: none;
}

.thickness-line::before, .thickness-line::after {
    content: '';
    width: 10px;
    height: 2px;
    background-color: var(--color-primary);
}

.thickness-value {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

.thickness-value strong {
    color: var(--color-primary);
}

/* Dropdown "Autre" selection styling */
.select-with-autre {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: inherit;
    font-size: inherit;
    padding: 6px 8px;
    border-radius: 4px;
    width: 100%;
    margin-bottom: 4px;
}
.select-with-autre:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(9, 132, 227, 0.2);
}
.select-with-autre-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* ================= EXCEL VIEWER STYLES ================= */
.excel-table-data {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    font-family: var(--font-main);
    color: var(--text-main);
}

.excel-table-data th {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
    font-weight: 600;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
    position: sticky;
    top: 0;
    z-index: 10;
}

.excel-table-data td {
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    color: var(--text-main);
    background-color: var(--bg-app);
}

.excel-table-data tr:nth-child(even) td {
    background-color: var(--bg-card);
}



.excel-sheet-tab-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.excel-sheet-tab-btn:hover {
    background: var(--bg-app);
    color: var(--text-main);
}

.excel-sheet-tab-btn.active {
    background: #27ae60;
    color: white;
    border-color: #27ae60;
}

/* Highlight for last viewed row */
.dynamic-table tbody tr.last-viewed td {
    background-color: rgba(99, 102, 241, 0.08) !important;
}
.dynamic-table tbody tr.last-viewed td:first-child {
    border-left: 4px solid var(--color-purple) !important;
}

/* Excel visualizer z-index overrides to stay above side drawer */
#excel-modal-overlay {
    z-index: 120;
}
#excel-modal {
    z-index: 121;
}

/* Tutorial Modal Specific Styles */
#tutorial-modal-overlay {
    z-index: 120;
}
#tutorial-modal {
    z-index: 121;
}

.tutorial-modal-content {
    color: var(--text-main);
}

.tutorial-step-num {
    box-shadow: 0 2px 6px rgba(42, 83, 67, 0.25);
    flex-shrink: 0;
}

.tutorial-preview-box {
    transition: border-color var(--transition-fast);
}

.tutorial-preview-box:hover {
    border-color: var(--border-hover);
}

/* Standard Materials Dropdown in Compare Mode */
.standard-add-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.standard-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    width: 240px;
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    z-index: 1050;
    padding: 6px 0;
    overflow: hidden;
    text-align: left;
}

.standard-dropdown-group-title {
    padding: 6px 12px 4px 12px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted, #64748b);
    letter-spacing: 0.5px;
    background: var(--bg-hover, #f8fafc);
    border-bottom: 1px solid var(--border-color, #f1f5f9);
}

.standard-dropdown-item {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-main, #1e293b);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.standard-dropdown-item:hover {
    background: var(--color-primary-light, #f0fdf4);
    color: var(--color-primary, #16a34a);
}

.standard-dropdown-item.selected {
    font-weight: 600;
    color: var(--color-primary, #16a34a);
    background: var(--color-primary-light, #f0fdf4);
}