/* ===============================================
   INTERFACE MODERNE SOMBRE - WallSim3D v3.0
   Style SketchUp/AutoCAD Professional
   =============================================== */

/* Variables supprimées - utilisation de theme-unified.css pour éviter la duplication */
:root {
    --header-height: 60px;
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 50%, var(--tertiary-bg) 100%);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* ===============================================
   HEADER MODERNE AVEC MENU BAR
   =============================================== */

.header {
    background: linear-gradient(180deg, var(--secondary-bg) 0%, var(--quaternary-bg) 100%);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-light);
    position: relative;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0 20px;
}

/* Conteneur pour les éléments de gauche (logo + menu) */
.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Conteneur pour les éléments de droite (présenter + heure) */
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Logo moderne */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.5px;
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: 8px;
}

.logo-image {
    height: 32px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

.logo-icon {
    font-size: 24px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    padding: 6px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 122, 204, 0.3);
}

.logo-version {
    font-size: 11px;
    color: var(--accent-color);
    font-weight: 500;
    background: rgba(0, 122, 204, 0.15);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(0, 122, 204, 0.3);
    margin-left: 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    cursor: default;
}

.logo-version:hover {
    background: rgba(0, 122, 204, 0.25);
    border-color: rgba(0, 122, 204, 0.5);
    transform: scale(1.05);
}

/* ===============================================
   BARRE DE MENU PROFESSIONNELLE
   =============================================== */

.menu-bar {
    display: flex;
    align-items: center;
    height: 100%;
    flex: none;
}

.menu-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 400;
    border-bottom: 2px solid transparent;
}

.menu-item:hover,
.menu-item.active {
    background: var(--glass-bg);
    color: var(--text-primary);
    border-bottom-color: var(--accent-color);
}

/* Styles supprimés - utilisation des styles .submenu à la place */

/* ===============================================
   AFFICHAGE HEURE
   =============================================== */

.time-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--text-muted);
}

.current-time {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.current-date {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===============================================
   APERÇUS 3D DANS LA BIBLIOTHÈQUE
   =============================================== */

.library-grid {
    display: grid;
    grid-template-columns: 1fr 1fr !important; /* FORCÉ À 2 COLONNES */
    gap: 12px;
    margin-bottom: 20px;
}

.library-item {
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--tertiary-bg) 0%, var(--secondary-bg) 100%);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.library-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    transition: all 0.3s ease;
}

.library-item:hover {
    background: linear-gradient(180deg, var(--border-light) 0%, var(--tertiary-bg) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-dark);
    border-color: var(--accent-color);
}

.library-item:hover::before {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
}

.library-item.selected {
    background: linear-gradient(180deg, var(--accent-color) 0%, var(--accent-active) 100%);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-focus);
}

.library-item.selected::before {
    background: linear-gradient(90deg, var(--accent-hover), var(--accent-color));
}

/* Aperçu 3D */
.item-preview {
    width: 100%;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.preview-3d {
    width: 140px;
    height: 105px;
    border-radius: 6px;
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.library-item:hover .preview-3d {
    box-shadow: inset 0 1px 3px rgba(0, 122, 204, 0.3);
    border-color: var(--accent-color);
}

/* Informations de l'élément */
.item-info {
    padding: 10px 12px 8px 12px;
    text-align: center;
}

.item-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.item-dimensions {
    font-size: 10px;
    color: var(--text-muted);
    font-family: 'Consolas', 'Monaco', monospace;
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 3px;
    display: inline-block;
}

/* ===============================================
   SECTIONS DE BIBLIOTHÈQUE MODERNES
   =============================================== */

.library-section h5 {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    padding: 10px 0 8px 0;
    border-bottom: 2px solid var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===============================================
   BOUTONS DE COUPE MODERNES
   =============================================== */

.cut-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border-color);
}

.cut-btn-mini {
    flex: 1;
    min-width: 30px;
    padding: 4px 6px;
    background: linear-gradient(180deg, var(--tertiary-bg) 0%, var(--secondary-bg) 100%);
    border: 1px solid var(--border-light);
    border-radius: 3px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 9px;
    font-weight: 500;
    text-align: center;
}

.cut-btn-mini:hover {
    background: linear-gradient(180deg, var(--accent-color) 0%, var(--accent-active) 100%);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

/* ===============================================
   ANIMATIONS ET EFFETS
   =============================================== */

/* Effets subtils pour éléments interactifs */
.library-item,
.element-card,
.main-tab,
.sidebar-tab,
.modern-tool-button,
.control-btn,
.view-btn,
.zoom-btn,
.grid-btn {
    position: relative;
    overflow: hidden;
}

.library-item::before,
.element-card::before,
.main-tab::before,
.sidebar-tab::before,
.modern-tool-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
    opacity: 0;
    transition: var(--transition-fast);
}

.library-item:hover::before,
.element-card:hover::before,
.main-tab.active::before,
.sidebar-tab.active::before,
.modern-tool-button.active::before {
    opacity: 1;
}

/* Amélioration des transitions et microanimations */
.menu-item,
.submenu-item,
.library-item,
.element-card,
.main-tab,
.sidebar-tab,
.control-btn,
.modern-btn,
.property-input {
    transition: all var(--transition-normal);
}

.menu-item:hover,
.submenu-item:hover,
.control-btn:hover,
.modern-btn:hover {
    transition: all var(--transition-fast);
}

/* Micro-feedback pour les interactions */
.menu-item:active,
.control-btn:active,
.modern-btn:active,
.main-tab:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

@media (max-width: 1200px) {
    .sidebar {
        width: 375px;
    }
    
    .menu-item {
        padding: 0 12px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0 10px;
    }
    
    .logo {
        font-size: 16px;
        gap: 8px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .logo-version {
        display: none;
    }
    
    .time-display {
        display: none;
    }
    
    .menu-bar {
        gap: 0;
    }
    
    .menu-item {
        padding: 0 8px;
    }
}

/* ===============================================
   ACCESSIBILITÉ
   =============================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible pour l'accessibilité */
.btn:focus-visible,
.tool-button:focus-visible,
.main-tab:focus-visible,
.sub-tab:focus-visible,
.menu-item:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Scrollbars modernes et subtils */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-light) transparent;
}

*::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

*::-webkit-scrollbar-track {
    background: transparent;
    border-radius: var(--radius-sm);
}

*::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

*::-webkit-scrollbar-corner {
    background: transparent;
}

.menu-bar {
    background: var(--primary-bg);
    border-bottom: 1px solid var(--border-color);
    z-index: 14000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    font-size: 13px;
}

.menu-items {
    display: flex;
    align-items: center;
    gap: 0;
}

.menu-item {
    position: relative;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-radius: 3px;
}

.menu-item:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--accent-color);
    color: white;
}

/* Sous-menus - Solution simple mais efficace */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow-dark);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: all 0.2s ease;
    z-index: 15000;
    pointer-events: none;
}

/* Zone invisible étendue APRÈS le menu pour capturer les mouvements vers le bas */
.submenu::after {
    content: '';
    position: absolute;
    top: 100%;
    left: -20px;
    right: -20px;
    height: 100px;
    background: transparent;
    pointer-events: all;
    z-index: 10000;
}

/* États d'affichage */
.menu-item:hover .submenu,
.menu-item.active .submenu,
.submenu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: all;
}

.submenu-item {
    padding: 12px 16px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.submenu-item:first-child {
    margin-top: 0;
}

.submenu-item:last-child {
    border-bottom: none;
}

.submenu-item:hover {
    background: rgba(0, 122, 204, 0.2);
    color: var(--text-primary);
}

.submenu-item i {
    width: 16px;
    text-align: center;
    font-size: 14px;
}

.shortcut {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'Consolas', 'Monaco', monospace;
}

.submenu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 5px 0;
}

/* Barre d'état en haut à droite */
.top-status-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 12px;
    color: var(--text-muted);
}

.current-time {
    font-weight: 500;
    color: var(--accent-color);
}

.project-status {
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
}

/* ===============================================
   BARRE D'OUTILS MODERNE
   =============================================== */

.modern-toolbar {
    position: fixed;
    left: 15px;
    top: 120px;
    width: 60px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 10px 5px;
    z-index: 9999;
    box-shadow: var(--shadow-dark);
}

.toolbar-section {
    margin-bottom: 15px;
}

.toolbar-section:last-child {
    margin-bottom: 0;
}

.toolbar-separator {
    height: 1px;
    background: var(--glass-border);
    margin: 10px 5px;
}

.modern-tool-button {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    margin-bottom: 8px;
    position: relative;
}

.modern-tool-button:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.05);
    box-shadow: var(--shadow-focus);
}

.modern-tool-button.active {
    background: var(--accent-color);
    color: white;
    box-shadow: var(--shadow-focus);
}

.tool-tooltip {
    position: absolute;
    left: 65px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-bg);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    border: 1px solid var(--border-color);
    z-index: 10002;
}

.modern-tool-button:hover .tool-tooltip {
    opacity: 1;
}

/* ===============================================
   LAYOUT PRINCIPAL
   =============================================== */

.modern-app {
    display: grid;
    grid-template-areas: 
        "sidebar viewport properties"
        "sidebar status-bar properties";
    grid-template-columns: 320px 1fr 280px;
    grid-template-rows: 1fr 40px;
    height: 100vh;
    padding-top: 35px;
    gap: 1px;
    background: var(--border-color);
}

/* ===============================================
   SIDEBAR MODERNE
   =============================================== */

.modern-sidebar {
    grid-area: sidebar;
    background: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-tabs {
    display: flex;
    background: var(--tertiary-bg);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-tab {
    flex: 1;
    padding: 12px 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    text-align: center;
    border-bottom: 2px solid transparent;
}

.sidebar-tab:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
}

.sidebar-tab.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: var(--glass-bg);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

/* Espacement professionnel et cohérent */
.sidebar-section,
.property-group,
.shadow-group {
    margin-bottom: var(--spacing-xl);
}

.sidebar-section:last-child,
.property-group:last-child,
.shadow-group:last-child {
    margin-bottom: 0;
}

/* Amélioration de la lisibilité */
.section-title,
.property-label {
    font-weight: 600;
    letter-spacing: 0.025em;
    color: var(--text-primary);
}

.property-label {
    font-size: var(--font-xs);
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Retour aux styles de sections */
.section-title {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-icon {
    font-size: var(--font-lg);
}

/* ===============================================
   BIBLIOTHÈQUE D'ÉLÉMENTS
   =============================================== */

.element-library {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.element-card {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.element-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-light);
    transform: translateY(-2px);
}

.element-preview {
    width: 100%;
    height: 60px;
    background: var(--glass-bg);
    border-radius: 4px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-color);
}

.element-name {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.element-card.selected {
    border-color: var(--accent-color);
    background: var(--glass-bg);
    box-shadow: var(--shadow-focus);
}

/* ===============================================
   VIEWPORT 3D
   =============================================== */

.modern-viewport {
    grid-area: viewport;
    background: var(--primary-bg);
    position: relative;
    overflow: hidden;
}

#scene-container {
    width: 100%;
    height: 100%;
}

#threejs-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Contrôles de vue - Z-index réduit pour ne pas interférer avec les menus */
.viewport-controls {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: row;
    gap: 10px;
    z-index: 500;
    pointer-events: auto;
}

.control-group {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    gap: 5px;
}

.control-btn {
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid var(--glass-border);
    border-radius: 5px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

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

.control-btn.active {
    background: var(--accent-color);
    color: white;
}

/* Groupes de contrôles spécifiques */
.view-controls, .zoom-controls, .grid-controls {
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    gap: 5px;
}

.grid-controls {
    flex-direction: column;
}

/* Boutons de vue */
.view-btn {
    padding: 6px 12px;
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    white-space: nowrap;
}

.view-btn:hover {
    background: linear-gradient(135deg, #3a3a3a, #4a4a4a);
    color: white;
    border-color: var(--accent-color);
}

.view-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Boutons de zoom */
.zoom-btn {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.zoom-btn:hover {
    background: linear-gradient(135deg, #3a3a3a, #4a4a4a);
    color: white;
    border-color: var(--accent-color);
}

/* Quand la carte d'info est dans un groupe de type zoom-controls, on enlève son fond/bord pour garder le look du groupe */
.selection-info-group .selected-brick-info {
    background: transparent;
    border: none;
    padding: 0;
    margin-top: 0; /* Réduit l'espace au-dessus dans le groupe */
}

/* Supprimer la marge par défaut du titre pour compacter la carte */
.selection-info-group .selected-brick-info .info-header h4 {
    margin: 0;
    line-height: 1.2;
}

/* Boutons de grille */
.grid-btn {
    padding: 6px 10px;
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
}

.grid-btn:hover {
    background: linear-gradient(135deg, #3a3a3a, #4a4a4a);
    color: white;
    border-color: var(--accent-color);
}

.grid-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* ===============================================
   PANNEAU PROPRIÉTÉS
   =============================================== */

.properties-panel {
    grid-area: properties;
    background: var(--secondary-bg);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.properties-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.properties-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.properties-content {
    flex: 1;
    overflow-y: auto;
    padding: 15px 20px;
}

.property-group {
    margin-bottom: 20px;
}

.property-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.property-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.property-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-focus);
}

/* ===============================================
   BARRE D'ÉTAT MODERNE
   =============================================== */

.modern-status-bar {
    grid-area: status-bar;
    background: var(--tertiary-bg);
    border-top: 1px solid var(--border-color);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.status-left,
.status-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* ===============================================
   NOTIFICATIONS ET MESSAGES
   =============================================== */

.notification-container {
    position: fixed;
    top: 50px;
    right: 20px;
    z-index: 10000;
    max-width: 350px;
}

.notification {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-dark);
    transform: translateX(100%);
    animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
    to {
        transform: translateX(0);
    }
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.error {
    border-left: 4px solid var(--error-color);
}

.notification.info {
    border-left: 4px solid var(--info-color);
}

/* ===============================================
   BOUTONS MODERNES
   =============================================== */

.modern-btn {
    padding: 10px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.modern-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

.modern-btn.secondary {
    background: var(--tertiary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.modern-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ===============================================
   PANNEAU D'ONGLETS À DROITE
   =============================================== */

.right-tabs-panel {
    grid-area: properties;
    background: var(--secondary-bg);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.right-tabs-header {
    background: var(--tertiary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.main-tabs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
    background: var(--secondary-bg);
    border-radius: 8px;
    padding: 8px;
}

.tabs-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.main-tab {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 12px 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 6px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.main-tab:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.main-tab.active {
    background: var(--accent-color);
    color: white;
}

.main-tab .tab-icon {
    font-size: 14px;
    min-width: 20px;
}

.right-tabs-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.right-tabs-content .tab-content {
    display: none;
}

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

/* Styles spécifiques aux onglets */
.assise-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.assise-type-btn {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 11px;
}

.assise-type-btn:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.assise-type-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.biblio-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 8px;
}

.category-btn {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 10px;
}

.category-btn:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.category-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.biblio-elements {
    max-height: 200px;
    overflow-y: auto;
    margin-top: 8px;
}

.biblio-element {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: var(--tertiary-bg);
    border-radius: 4px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.biblio-element:hover {
    background: var(--glass-bg);
}

.biblio-element.selected {
    background: var(--accent-color);
    color: white;
}

.biblio-element.selected span {
    color: white;
}

.element-preview-small {
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    border-radius: 3px;
    flex-shrink: 0;
}

.biblio-element span {
    font-size: 11px;
    color: var(--text-secondary);
}

.checkbox-group {
    margin: 8px 0;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color);
}

.checkmark {
    width: 16px;
    height: 16px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--tertiary-bg);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    background: var(--tertiary-bg);
    border-radius: 4px;
    font-size: 11px;
}

.stat-label {
    color: var(--text-muted);
}

.stat-value {
    color: var(--accent-color);
    font-weight: bold;
}

.unit {
    font-size: 10px;
    color: var(--text-muted);
    margin-left: 4px;
}

/* ===============================================
   MISE À JOUR DU GRID LAYOUT
   =============================================== */

.modern-app {
    display: grid;
    grid-template-columns: 300px 1fr 280px;
    grid-template-rows: 1fr 30px;
    grid-template-areas: 
        "sidebar viewport properties"
        "status-bar status-bar status-bar";
    height: calc(100vh - 35px - 50px); /* Barre menu + toolbar */
    margin-top: 85px;
}

/* ===============================================
   RESPONSIVE
   =============================================== */

@media (max-width: 1200px) {
    .modern-app {
        grid-template-columns: 280px 1fr 250px;
    }
}

@media (max-width: 768px) {
    .tabs-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }
    
    .main-tab {
        flex-direction: row;
        gap: 8px;
        padding: 10px;
        text-align: left;
        font-size: 12px;
    }
    
    .main-tab .tab-icon {
        font-size: 16px;
        min-width: 20px;
    }
}

@media (max-width: 480px) {
    .tabs-row {
        grid-template-columns: 1fr;
        gap: 2px;
    }
    
    .main-tabs {
        gap: 4px;
        padding: 6px;
    }
}

@media (max-width: 900px) {
    .modern-app {
        grid-template-columns: 315px 1fr;
        grid-template-areas: 
            "sidebar viewport"
            "sidebar status-bar";
    }
    
    .right-tabs-panel {
        display: none;
    }
}

/* ===============================================
   ONGLET OMBRES - INTERFACE DIDACTIQUE
   =============================================== */

.shadow-description {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
}

.shadows-panel .shadow-group {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.shadows-panel .shadow-group:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.shadows-panel .shadow-group h5 {
    color: var(--accent-color);
    margin-bottom: 12px;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Géolocalisation */
.geolocation-info {
    background: var(--tertiary-bg);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 12px;
}

.geolocation-info p {
    margin-bottom: 4px;
    font-size: 14px;
}

.geolocation-info strong {
    color: var(--accent-color);
}

#customLocationInputs {
    background: var(--tertiary-bg);
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
}

#customLocationInputs .form-group {
    margin-bottom: 10px;
}

#customLocationInputs small {
    color: var(--text-muted);
    font-size: 12px;
}

/* Boussole */
.compass-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
}

.compass {
    position: relative;
    width: 120px;
    height: 120px;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    background: radial-gradient(circle, var(--tertiary-bg) 0%, var(--secondary-bg) 70%);
    box-shadow: var(--shadow-light);
}

.compass-needle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 50px;
    background: linear-gradient(to bottom, #ff4444 0%, #ff4444 50%, #ffffff 50%, #ffffff 100%);
    transform-origin: bottom center;
    transform: translate(-50%, -100%) rotate(0deg);
    border-radius: 2px;
    transition: transform 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 68, 68, 0.5);
}

.compass-label {
    position: absolute;
    font-weight: bold;
    font-size: 14px;
    color: var(--text-primary);
}

.compass-n { top: 8px; left: 50%; transform: translateX(-50%); }
.compass-e { right: 8px; top: 50%; transform: translateY(-50%); }
.compass-s { bottom: 8px; left: 50%; transform: translateX(-50%); }
.compass-w { left: 8px; top: 50%; transform: translateY(-50%); }

.compass-description {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

/* Date et heure */
.datetime-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-times {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.time-preset {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    flex: 1;
    min-width: 80px;
}

.time-preset:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-1px);
}

/* Position solaire */
.sun-info {
    background: var(--tertiary-bg);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 12px;
    border-left: 4px solid var(--warning-color);
}

.sun-info p {
    margin-bottom: 6px;
    font-size: 14px;
}

.sun-info strong {
    color: var(--warning-color);
}

.sun-info small {
    color: var(--text-muted);
}

.sun-controls {
    margin-top: 12px;
}

/* Section info didactique */
.shadow-info {
    background: linear-gradient(135deg, var(--info-color)10, var(--secondary-bg) 100%);
    border-left: 4px solid var(--info-color);
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    background: var(--tertiary-bg);
    border-radius: 6px;
    padding: 10px;
    border-left: 3px solid var(--accent-color);
}

.info-item strong {
    color: var(--accent-color);
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.info-item p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* Orientation info */
.orientation-info {
    background: var(--tertiary-bg);
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Améliorations des contrôles existants */
.shadow-group input[type="range"] {
    background: var(--tertiary-bg);
    border-radius: 10px;
    height: 8px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.shadow-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 122, 204, 0.3);
    transition: all 0.2s ease;
}

.shadow-group input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
    box-shadow: var(--shadow-light);
}

.shadow-group select {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    width: 100%;
    font-size: 14px;
}

.shadow-group select:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: var(--shadow-focus);
}

.shadow-group input[type="date"],
.shadow-group input[type="number"] {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
}

.shadow-group input[type="date"]:focus,
.shadow-group input[type="number"]:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
    background: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Ajout d'animations subtiles */
@keyframes gentlePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes subtleFadeIn {
    from { 
        opacity: 0; 
        transform: translateY(4px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.status-indicator {
    animation: gentlePulse 3s ease-in-out infinite;
}

.submenu {
    animation: subtleFadeIn var(--transition-fast) ease-out when-visible;
}

.notification {
    animation: subtleFadeIn var(--transition-normal) ease-out;
}

/* Responsive pour onglet ombres */
@media (max-width: 768px) {
    .compass {
        width: 100px;
        height: 100px;
    }
    
    .compass-needle {
        height: 40px;
    }
    
    .quick-times {
        flex-direction: column;
    }
    
    .info-content {
        gap: 8px;
    }
    
    .shadows-panel .shadow-group {
        padding: 12px;
    }
}

/* ===============================================
   STYLES GÉNÉRIQUES POUR LES RAYONS ET FOCUS
   =============================================== */

.floating-assise-menu {
    position: fixed;
    left: 85px;
    top: 50%;
    transform: translateY(-50%);
    width: 420px; /* Augmentation de la largeur pour 2 colonnes */
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    z-index: 9999;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
    color: #e0e0e0;
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    transition: all var(--transition-normal);
    overflow: hidden;
    
    /* FORCER L'AFFICHAGE TEMPORAIREMENT */
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.floating-assise-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.5;
}

.floating-assise-menu.collapsed {
    width: 50px;
    padding: var(--spacing-md);
    height: 50px;
}

.floating-assise-menu h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--accent-color);
    font-size: var(--font-sm);
    font-weight: 600;
    text-align: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
    letter-spacing: 0.5px;
}

.floating-assise-menu.collapsed h4 {
    display: none;
}

.assise-info {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-color);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.assise-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    transition: left var(--transition-slow);
}

.assise-info:hover::before {
    left: 100%;
}

.floating-assise-menu.collapsed .assise-info {
    display: none;
}

.assise-current {
    font-size: var(--font-xs);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.assise-status {
    font-size: var(--font-xs);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.assise-status.active {
    color: var(--success-color);
    font-weight: 600;
}

.assise-status::before {
    content: '●';
    font-size: 8px;
    animation: gentlePulse 2s infinite;
}

.assise-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.floating-assise-menu.collapsed .assise-controls {
    display: none;
}

/* === NOUVEAU: CONTENEUR À DEUX COLONNES === */
.assise-content-container {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.floating-assise-menu.collapsed .assise-content-container {
    display: none;
}

/* === NOUVELLE COLONNE: BRIQUE ACTIVE === */
.assise-brick-info {
    flex: 0 0 180px; /* Largeur fixe pour la colonne de la brique */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.assise-section-title {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--accent-color);
    font-size: var(--font-xs);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5px;
}

.brick-preview-container {
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    text-align: center;
    overflow: hidden;
    position: relative;
}

.brick-preview-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    transition: left var(--transition-normal);
}

.brick-preview-container:hover::before {
    left: 100%;
}

.brick-preview-canvas {
    width: 120px;
    height: 90px;
    border-radius: var(--radius-sm);
    background: #1a1a1a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: block;
    margin: 0 auto;
}

.brick-name {
    margin-top: var(--spacing-xs);
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.cut-lengths-container {
    background: linear-gradient(135deg, #252525, #353535);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.cut-lengths-title {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cut-lengths-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cut-length-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px var(--spacing-xs);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.cut-length-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.cut-label {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
}

.cut-value {
    font-size: 10px;
    color: var(--text-primary);
    font-weight: 600;
    background: var(--accent-color);
    padding: 1px 4px;
    border-radius: 2px;
    color: white;
    font-family: 'Courier New', monospace;
}

/* === COLONNE DES CONTRÔLES (ajustée) === */
.assise-controls {
    flex: 1; /* Prend l'espace restant */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.assise-btn {
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    color: #e0e0e0;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-xs);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.assise-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    transition: left var(--transition-normal);
}

.assise-btn:hover {
    background: linear-gradient(135deg, #3a3a3a, #4a4a4a);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.assise-btn:hover::before {
    left: 100%;
}

.assise-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-focus);
}

.assise-btn.active {
    background: var(--error-color);
    border-color: var(--error-color);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-focus);
}

.assise-btn.primary {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.assise-btn.primary:hover {
    background: var(--success-hover);
    border-color: var(--success-hover);
    box-shadow: var(--shadow-light);
}

.assise-btn.danger {
    background: var(--error-color);
    border-color: var(--error-color);
    color: white;
}

.assise-btn.danger:hover {
    background: var(--error-hover);
    border-color: var(--error-hover);
    box-shadow: var(--shadow-light);
}

.assise-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.assise-selector {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.assise-select {
    flex: 1;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    font-size: var(--font-xs);
    transition: all var(--transition-fast);
}

.assise-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-focus);
}

.assise-select option {
    background: var(--secondary-bg);
    color: var(--text-primary);
}

/* Section des aides visuelles */
.assise-visual-aids {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.assise-visual-aids h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--accent-color);
    font-size: var(--font-xs);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.3px;
}

.floating-assise-menu.collapsed .assise-visual-aids {
    display: none;
}

/* Contrôle de hauteur des joints */
.joint-height-control {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.joint-height-control h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--accent-color);
    font-size: var(--font-xs);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.3px;
}

.joint-height-input-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    justify-content: center;
}

.joint-height-input-group label {
    color: #cccccc;
    font-size: 11px;
    font-weight: 500;
    flex-shrink: 0;
}

.joint-height-input {
    width: 60px;
    height: 28px;
    padding: 0 var(--spacing-xs);
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: #e0e0e0;
    font-size: 12px;
    text-align: center;
    transition: all var(--transition-fast);
}

.joint-height-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
}

.joint-height-input:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.joint-height-unit {
    color: #999999;
    font-size: 11px;
    font-weight: 500;
    flex-shrink: 0;
}

.floating-assise-menu.collapsed .joint-height-control {
    display: none;
}

.assise-btn.visual-aid {
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #cccccc;
    font-size: var(--font-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.assise-btn.visual-aid:hover {
    background: linear-gradient(135deg, #3a3a3a, #4a4a4a);
    border-color: var(--accent-color);
    color: #e0e0e0;
}

.assise-btn.visual-aid.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    font-weight: 600;
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.3);
}

.assise-btn.visual-aid.active:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.collapse-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #2a2a2a, #3a3a3a);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #e0e0e0;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-weight: bold;
}

.collapse-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.05);
}

.floating-assise-menu.collapsed .collapse-btn {
    top: 50%;
    right: 50%;
    transform: translate(50%, -50%);
}

/* Animation d'entrée */
.floating-assise-menu {
    animation: slideInFromLeft 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

/* Responsive pour le menu flottant */
@media (max-width: 1200px) {
    .floating-assise-menu {
        left: 10px;
        top: 10px;
        transform: none;
        width: 200px;
    }
    
    .floating-assise-menu.collapsed {
        width: 40px;
        height: 40px;
    }
}

/* ===============================================
   COHÉRENCE FINALE DES STYLES
   =============================================== */

/* Rayons de bordure cohérents */
.library-item,
.element-card,
.main-tab,
.control-btn,
.modern-btn,
.property-input,
.submenu {
    border-radius: var(--radius-md);
}

.cut-btn-mini,
.view-btn,
.zoom-btn,
.grid-btn,
.collapse-btn {
    border-radius: var(--radius-sm);
}

/* États de focus unifiés */
button:focus-visible,
input:focus-visible,
select:focus-visible,
.menu-item:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Groupes visuels cohérents */
.shadow-group.active {
    border-color: var(--success-color);
    box-shadow: 0 0 0 1px var(--success-color);
}

/* ===============================================
   ICÔNE DE SUPPRESSION DE BRIQUE
   =============================================== */

.brick-delete-icon {
    position: fixed !important;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border: 3px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10000 !important;
    box-shadow: 
        0 6px 20px rgba(220, 38, 38, 0.5),
        0 3px 8px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    animation: brickDeletePulse 2s infinite ease-in-out;
    pointer-events: auto !important;
    user-select: none;
}

.brick-delete-icon:hover {
    transform: scale(1.1);
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 
        0 6px 16px rgba(220, 38, 38, 0.6),
        0 3px 6px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.brick-delete-icon:active {
    transform: scale(0.95);
    box-shadow: 
        0 2px 8px rgba(220, 38, 38, 0.5),
        0 1px 2px rgba(0, 0, 0, 0.3);
}

.brick-delete-icon i {
    color: white;
    font-size: 18px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 900;
}

@keyframes brickDeletePulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Animation d'apparition */
.brick-delete-icon {
    animation: brickDeleteAppear 0.3s ease-out, brickDeletePulse 2s infinite ease-in-out 0.3s;
}

@keyframes brickDeleteAppear {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Notifications de construction */
.construction-notification {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    font-weight: 500;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.construction-notification-success {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.95) 0%, rgba(4, 120, 87, 0.95) 100%);
}

.construction-notification-warning {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.95) 0%, rgba(180, 83, 9, 0.95) 100%);
}

.construction-notification-error {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.95) 0%, rgba(185, 28, 28, 0.95) 100%);
}

.construction-notification-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.95) 0%, rgba(37, 99, 235, 0.95) 100%);
}