/* ==========================================================================
   IGP GLASS - Système de Maintenance Double Edger
   Version Autonome - Sans dépendances externes
   ========================================================================== */

/* Variables CSS pour l'identité visuelle IGP GLASS */
:root {
    /* Couleurs principales IGP GLASS */
    --igp-primary: #1e40af;
    --igp-secondary: #3b82f6;
    --igp-accent: #60a5fa;
    --igp-dark: #1e293b;
    --igp-light: #f8fafc;
    
    /* Couleurs fonctionnelles */
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0284c7;
    
    /* Priorités avec codes couleur */
    --priority-urgente: #dc2626;
    --priority-elevee: #ea580c;
    --priority-normale: #2563eb;
    --priority-faible: #059669;
    
    /* Types d'intervention */
    --type-maintenance: #7c3aed;
    --type-reparation: #dc2626;
    --type-inspection: #059669;
    --type-urgence: #be123c;
    
    /* Système de grille et espacement */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Ombres et effets */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Bordures */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================================================
   Reset et base
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--igp-light) 0%, #e2e8f0 100%);
    color: var(--igp-dark);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================================================
   En-tête professionnel
   ========================================================================== */
.header {
    background: linear-gradient(135deg, var(--igp-primary) 0%, var(--igp-secondary) 100%);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    width: 70px;
    height: 70px;
    border-radius: var(--border-radius);
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.company-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.company-info p {
    font-size: 1.2rem;
    opacity: 0.95;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.company-info small {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* ==========================================================================
   Boutons système
   ========================================================================== */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-add-task {
    background: var(--success);
    color: white;
}

.btn-add-task:hover {
    background: #047857;
}

.btn-export, .btn-import {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-export:hover, .btn-import:hover {
    background: rgba(255, 255, 255, 0.25);
}

.btn-save {
    background: var(--igp-secondary);
    color: white;
}

.btn-save:hover {
    background: var(--igp-primary);
}

.btn-cancel {
    background: #6b7280;
    color: white;
}

.btn-cancel:hover {
    background: #4b5563;
}

.btn-reset {
    background: var(--warning);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
}

.btn-reset:hover {
    background: #b45309;
}

.btn-history {
    background: var(--info);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
}

.btn-history:hover {
    background: #0369a1;
}

/* ==========================================================================
   Barre d'outils et filtres
   ========================================================================== */
.toolbar {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
}

.toolbar-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.search-filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.search-box {
    position: relative;
    min-width: 300px;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: #6b7280;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 2.5rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: border-color var(--transition-normal);
}

.search-box input:focus {
    border-color: var(--igp-secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-weight: 600;
    color: var(--igp-dark);
    white-space: nowrap;
}

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    background: white;
    min-width: 150px;
    cursor: pointer;
    transition: border-color var(--transition-normal);
}

.filter-group select:focus {
    border-color: var(--igp-secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.stats-section {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--igp-light);
    border-radius: var(--border-radius);
    border: 1px solid #e5e7eb;
}

.stat-label {
    font-size: 0.8rem;
    color: #6b7280;
    font-weight: 500;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--igp-primary);
}

/* ==========================================================================
   Tableau Kanban
   ========================================================================== */
.kanban-board {
    max-width: 1400px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    min-height: 600px;
}

.kanban-column {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid #e5e7eb;
    transition: transform var(--transition-normal);
}

.kanban-column:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.column-header {
    background: linear-gradient(135deg, var(--igp-primary) 0%, var(--igp-secondary) 100%);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.column-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.column-title h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.column-title i {
    font-size: 1.2rem;
}

.column-stats {
    display: flex;
    align-items: center;
}

.task-count {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.column-content {
    padding: var(--spacing-lg);
    min-height: 500px;
    background: #fafafa;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(59, 130, 246, 0.1) 1px, transparent 0);
    background-size: 20px 20px;
}

/* ==========================================================================
   Cartes de tâches
   ========================================================================== */
.task-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    cursor: move;
    transition: all var(--transition-normal);
    position: relative;
    border-left: 4px solid var(--igp-secondary);
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.task-card.dragging {
    opacity: 0.6;
    transform: rotate(3deg) scale(1.02);
    z-index: 1000;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.task-title {
    font-weight: 600;
    color: var(--igp-dark);
    font-size: 1rem;
    line-height: 1.4;
    flex: 1;
    margin-right: var(--spacing-md);
}

.task-actions {
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.task-card:hover .task-actions {
    opacity: 1;
}

.task-action {
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-action:hover {
    background: var(--igp-light);
    color: var(--igp-dark);
}

.task-action.delete:hover {
    color: var(--danger);
    background: #fef2f2;
}

.task-description {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.task-machine {
    font-size: 0.85rem;
    color: var(--igp-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--border-radius);
    display: inline-block;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.task-priority, .task-type {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Styles des priorités */
.priority-urgente {
    background: #fef2f2;
    color: var(--priority-urgente);
    border: 1px solid #fecaca;
}

.priority-elevee {
    background: #fff7ed;
    color: var(--priority-elevee);
    border: 1px solid #fed7aa;
}

.priority-normale {
    background: #eff6ff;
    color: var(--priority-normale);
    border: 1px solid #bfdbfe;
}

.priority-faible {
    background: #f0fdf4;
    color: var(--priority-faible);
    border: 1px solid #bbf7d0;
}

/* Styles des types */
.type-maintenance {
    background: #faf5ff;
    color: var(--type-maintenance);
    border: 1px solid #e9d5ff;
}

.type-reparation {
    background: #fef2f2;
    color: var(--type-reparation);
    border: 1px solid #fecaca;
}

.type-inspection {
    background: #f0fdf4;
    color: var(--type-inspection);
    border: 1px solid #bbf7d0;
}

.type-urgence {
    background: #fdf2f8;
    color: var(--type-urgence);
    border: 1px solid #fbcfe8;
}

.task-date {
    font-size: 0.8rem;
    color: #6b7280;
    margin-left: auto;
    flex-shrink: 0;
}

.task-media {
    margin-top: var(--spacing-md);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--spacing-sm);
}

.media-item {
    width: 80px;
    height: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid #e5e7eb;
    transition: all var(--transition-normal);
    position: relative;
}

.media-item:hover {
    border-color: var(--igp-secondary);
    transform: scale(1.05);
}

.media-item img, .media-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-item.video::after {
    content: '\f04b';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    animation: modalFadeIn var(--transition-normal);
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    margin: 2% auto;
    border-radius: var(--border-radius-xl);
    width: 90%;
    max-width: 700px;
    max-height: 96vh;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.media-modal .modal-content {
    max-width: 90%;
    max-height: 90%;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--igp-primary) 0%, var(--igp-secondary) 100%);
    color: white;
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: background var(--transition-fast);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Formulaires
   ========================================================================== */
form {
    padding: var(--spacing-xl);
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--igp-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: border-color var(--transition-normal);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--igp-secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: #6b7280;
    font-size: 0.85rem;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: 0;
    padding: var(--spacing-xl);
    border-top: 1px solid #e5e7eb;
    background: white;
    flex-shrink: 0;
}

/* ==========================================================================
   Aperçu des médias
   ========================================================================== */
.media-preview {
    padding: var(--spacing-xl);
    text-align: center;
}

.media-preview img,
.media-preview video {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Historique
   ========================================================================== */
.history-content {
    padding: var(--spacing-xl);
    max-height: 500px;
    overflow-y: auto;
}

.history-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.history-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.history-icon.created {
    background: #f0fdf4;
    color: var(--success);
}

.history-icon.modified {
    background: #eff6ff;
    color: var(--info);
}

.history-icon.moved {
    background: #fff7ed;
    color: var(--warning);
}

.history-icon.deleted {
    background: #fef2f2;
    color: var(--danger);
}

.history-details {
    flex: 1;
}

.history-action {
    font-weight: 600;
    color: var(--igp-dark);
    margin-bottom: var(--spacing-xs);
}

.history-meta {
    font-size: 0.85rem;
    color: #6b7280;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--igp-dark);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info p {
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.footer-info p:first-child {
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

#lastSave {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ==========================================================================
   Notifications Toast
   ========================================================================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--success);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: slideInRight var(--transition-normal);
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.toast.warning {
    background: var(--warning);
}

.toast.info {
    background: var(--info);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================================================
   États spéciaux
   ========================================================================== */
.column-content:empty::after {
    content: "Glissez une tâche ici...";
    display: block;
    text-align: center;
    color: #9ca3af;
    font-style: italic;
    padding: var(--spacing-2xl) var(--spacing-md);
    border: 2px dashed #d1d5db;
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
    background: rgba(255, 255, 255, 0.8);
}

.column-content.drag-over {
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--border-radius);
}

.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #e5e7eb;
    border-top: 2px solid var(--igp-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn var(--transition-slow);
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1200px) {
    .kanban-board {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 1rem;
        --spacing-2xl: 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .toolbar-content {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .search-filter-group {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .search-box {
        min-width: auto;
    }
    
    .kanban-board {
        grid-template-columns: 1fr;
        padding: 0 var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 2% auto;
        width: 95%;
        max-height: 96vh;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .stat-group {
        align-items: center;
    }
    
    .toast-container {
        left: 20px;
        right: 20px;
    }
    
    .toast {
        max-width: none;
    }
    
    .company-info h1 {
        font-size: 2rem;
    }
    
    .company-info p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .logo {
        width: 50px;
        height: 50px;
    }
    
    .company-info h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    .kanban-board {
        margin: var(--spacing-md) auto;
    }
    
    .column-content {
        padding: var(--spacing-md);
        min-height: 400px;
    }
    
    .task-card {
        padding: var(--spacing-md);
    }
}

/* ==========================================================================
   Styles d'impression
   ========================================================================== */
@media print {
    .header-actions,
    .toolbar,
    .task-actions,
    .footer,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    .header {
        position: static;
        page-break-after: avoid;
    }
    
    .kanban-board {
        display: block;
        margin: 0;
        padding: 0;
    }
    
    .kanban-column {
        break-inside: avoid;
        margin-bottom: 1rem;
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .task-card {
        break-inside: avoid;
        margin-bottom: 0.5rem;
        box-shadow: none;
        border: 1px solid #666;
    }
    
    .column-content {
        min-height: auto;
        background: white;
    }
}

/* ==========================================================================
   Mode sombre (si nécessaire pour les environnements industriels)
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    /* Optionnel: variables pour le mode sombre */
    .dark-mode {
        --igp-light: #1e293b;
        --igp-dark: #f8fafc;
    }
}