/* ===== KANBAN — CSS scopé pour en-classe ===== */

/* ===== THÈME CLAIR (par défaut) ===== */
.k-app {
    --k-accent: #06b6d4;
    --k-accent-hover: #0891b2;
    --k-bg-body: #f5f7fa;
    --k-bg-section: #ffffff;
    --k-bg-input: #ffffff;
    --k-text-primary: #2c3e50;
    --k-text-secondary: #526477;
    --k-text-muted: #64748b;
    --k-border-color: #dbe3ec;
    --k-shadow-color: rgba(0, 0, 0, 0.12);
    --k-primary: #06b6d4;
    --k-primary-hover: #0891b2;
    --k-on-primary: #ffffff;
    --k-success-color: #10b981;
    --k-success-hover: #059669;
    --k-danger-color: #ef4444;
    --k-danger-hover: #dc2626;
    --k-warning-color: #f59e0b;
    --k-bg-color: var(--k-bg-body);
    --k-card-bg: var(--k-bg-section);
    --k-text-color: var(--k-text-primary);
    --k-header-bg: var(--k-bg-section);
    --k-shadow: 0 4px 6px -1px var(--k-shadow-color), 0 2px 4px -1px var(--k-shadow-color);
    --k-shadow-lg: 0 10px 15px -3px var(--k-shadow-color), 0 4px 6px -2px var(--k-shadow-color);
    --k-modal-overlay: rgba(0, 0, 0, 0.5);
    --k-input-bg: var(--k-bg-input);
}

/* ===== THÈME SOMBRE ===== */
body.dark-mode .k-app {
    --k-bg-body: #1a1a1a;
    --k-bg-section: #2d2d2d;
    --k-bg-input: #333333;
    --k-text-primary: #ffffff;
    --k-text-secondary: #cccccc;
    --k-text-muted: #888888;
    --k-border-color: #444444;
    --k-shadow-color: rgba(0, 0, 0, 0.3);
    --k-primary: #06b6d4;
    --k-primary-hover: #22d3ee;
    --k-on-primary: #ffffff;
    --k-bg-color: var(--k-bg-body);
    --k-card-bg: var(--k-bg-section);
    --k-text-color: var(--k-text-primary);
    --k-header-bg: var(--k-bg-section);
    --k-shadow: 0 4px 6px -1px var(--k-shadow-color), 0 2px 4px -1px var(--k-shadow-color);
    --k-shadow-lg: 0 10px 15px -3px var(--k-shadow-color), 0 4px 6px -2px var(--k-shadow-color);
    --k-modal-overlay: rgba(0, 0, 0, 0.7);
    --k-input-bg: var(--k-bg-input);
}

/* ===== Variables dupliquées pour éléments fixes hors .k-app ===== */
.k-modal,
.k-toast,
.k-share-code-fixed,
.k-touch-dragging-clone {
    --k-accent: #06b6d4;
    --k-accent-hover: #0891b2;
    --k-bg-body: #f5f7fa;
    --k-bg-section: #ffffff;
    --k-bg-input: #ffffff;
    --k-text-primary: #2c3e50;
    --k-text-secondary: #526477;
    --k-text-muted: #64748b;
    --k-border-color: #dbe3ec;
    --k-shadow-color: rgba(0, 0, 0, 0.12);
    --k-primary: #06b6d4;
    --k-primary-hover: #0891b2;
    --k-on-primary: #ffffff;
    --k-success-color: #10b981;
    --k-danger-color: #ef4444;
    --k-bg-color: var(--k-bg-body);
    --k-card-bg: var(--k-bg-section);
    --k-text-color: var(--k-text-primary);
    --k-shadow: 0 4px 6px -1px var(--k-shadow-color), 0 2px 4px -1px var(--k-shadow-color);
    --k-shadow-lg: 0 10px 15px -3px var(--k-shadow-color), 0 4px 6px -2px var(--k-shadow-color);
    --k-modal-overlay: rgba(0, 0, 0, 0.5);
    --k-input-bg: var(--k-bg-input);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body.dark-mode .k-modal,
body.dark-mode .k-toast,
body.dark-mode .k-share-code-fixed,
body.dark-mode .k-touch-dragging-clone {
    --k-bg-body: #1a1a1a;
    --k-bg-section: #2d2d2d;
    --k-bg-input: #333333;
    --k-text-primary: #ffffff;
    --k-text-secondary: #cccccc;
    --k-text-muted: #888888;
    --k-border-color: #444444;
    --k-shadow-color: rgba(0, 0, 0, 0.3);
    --k-primary: #06b6d4;
    --k-primary-hover: #22d3ee;
    --k-on-primary: #ffffff;
    --k-bg-color: var(--k-bg-body);
    --k-card-bg: var(--k-bg-section);
    --k-text-color: var(--k-text-primary);
    --k-shadow: 0 4px 6px -1px var(--k-shadow-color), 0 2px 4px -1px var(--k-shadow-color);
    --k-shadow-lg: 0 10px 15px -3px var(--k-shadow-color), 0 4px 6px -2px var(--k-shadow-color);
    --k-modal-overlay: rgba(0, 0, 0, 0.7);
    --k-input-bg: var(--k-bg-input);
}

/* ===== Toolbar (ex-header) ===== */
.k-app .k-toolbar {
    background: var(--k-accent);
    color: #ffffff;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--k-shadow);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.k-app .k-toolbar-actions {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.k-app .k-toolbar-actions .btn {
    margin: 0;
}

/* Groupe langue + thème */
.k-app .lang-selector,
.k-app .btn-icon-only {
    color: rgba(255, 255, 255, 0.92);
    opacity: 1;
}

/* Sélecteur de langue */
.k-app .lang-selector {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
}

.k-app .lang-selector > i {
    margin-right: 0.15rem;
}

.k-app .lang-separator {
    opacity: 0.4;
    font-weight: 300;
    color: #ffffff;
}

.k-app .btn-lang {
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.875rem;
    font-weight: 500;
}

.k-app .btn-lang:hover {
    opacity: 1;
    color: #ffffff;
}

.k-app .btn-lang.active {
    opacity: 1;
    font-weight: 600;
    color: #ffffff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ===== Buttons ===== */
.k-app .btn,
.k-modal .btn,
.k-share-code-fixed .btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.k-app .btn-primary,
.k-modal .btn-primary {
    background-color: var(--k-primary);
    color: var(--k-on-primary);
}

.k-app .btn-primary:hover,
.k-modal .btn-primary:hover {
    background-color: var(--k-primary-hover);
}

.k-app .btn-secondary,
.k-modal .btn-secondary {
    background-color: transparent;
    color: var(--k-text-primary);
    border: 1px solid var(--k-border-color);
}

.k-app .btn-secondary:hover,
.k-modal .btn-secondary:hover {
    background-color: var(--k-bg-color);
}

.k-app .btn-success {
    background-color: var(--k-success-color);
    color: white;
}

.k-app .btn-success:hover {
    background-color: var(--k-success-hover);
}

.k-app .btn-danger {
    background-color: var(--k-danger-color);
    color: white;
}

.k-app .btn-danger:hover {
    background-color: var(--k-danger-hover);
}

.k-app .btn-outline {
    background-color: transparent;
    color: var(--k-primary);
    border: 2px dashed var(--k-primary);
}

.k-app .btn-outline:hover {
    background-color: var(--k-primary);
    color: var(--k-on-primary);
    border-style: solid;
}

.k-app .btn-small,
.k-share-code-fixed .btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.k-app .btn-icon,
.k-modal .btn-icon {
    padding: 0.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
    color: var(--k-text-color);
}

.k-app .btn-icon i,
.k-modal .btn-icon i {
    color: inherit;
}

.k-app .btn-icon:hover,
.k-modal .btn-icon:hover {
    opacity: 1;
}

/* Toolbar button styles */
.k-app .k-toolbar-actions .btn-primary {
    background-color: #ffffff;
    color: #0c4a5e;
}

.k-app .k-toolbar-actions .btn-primary:hover {
    background-color: #ecfeff;
    color: #0a3d4f;
}

.k-app .k-toolbar-actions .btn-secondary {
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.55);
}

.k-app .k-toolbar-actions .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.22);
}

/* Sync status */
.k-app .sync-status {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 1;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #2c3e50;
    background-color: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    padding: 0.35rem 0.65rem;
    white-space: nowrap;
    margin-right: 0.75rem;
}

/* ===== Main content ===== */
.k-app .kanban-controls {
    margin-bottom: 2.4rem;
}

/* ===== Kanban Board ===== */
.k-app .kanban-board {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 1rem;
    min-height: 500px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
}

/* ===== Kanban Column ===== */
.k-app .kanban-column {
    background-color: var(--k-card-bg);
    border-radius: 0.75rem;
    width: 320px;
    min-width: 320px;
    flex-shrink: 0;
    box-shadow: var(--k-shadow);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 250px);
    scroll-snap-align: start;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.k-app .column-header {
    padding: 1rem;
    border-bottom: 3px solid var(--k-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 0.75rem 0.75rem 0 0;
}

.k-app .column-header h3 {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--k-text-color);
}

.k-app .column-header .task-count {
    background-color: var(--k-bg-color);
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    color: var(--k-text-muted);
}

.k-app .column-actions {
    display: flex;
    gap: 0.25rem;
}

.k-app .column-tasks {
    padding: 1rem;
    flex: 1;
    overflow-y: auto;
    min-height: 100px;
}

.k-app .column-tasks.drag-over {
    background-color: rgba(6, 182, 212, 0.1);
    border: 2px dashed var(--k-primary);
    border-radius: 0.5rem;
}

.k-app .add-task-btn {
    margin: 0 1rem 1rem;
    padding: 0.75rem;
    background-color: var(--k-bg-color);
    border: 2px dashed var(--k-border-color);
    border-radius: 0.5rem;
    color: var(--k-text-muted);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    font-size: 0.875rem;
}

.k-app .add-task-btn:hover {
    border-color: var(--k-primary);
    color: var(--k-primary);
    background-color: rgba(6, 182, 212, 0.08);
}

/* ===== Task Card ===== */
.k-app .task-card {
    background-color: var(--k-card-bg);
    border: 1px solid var(--k-border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    cursor: grab;
    transition: all 0.2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body.dark-mode .k-app .task-card {
    background-color: var(--k-bg-color);
}

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

.k-app .task-card.dragging {
    opacity: 0.5;
    transform: rotate(3deg);
}

.k-app .task-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.k-app .task-card-title {
    font-weight: 600;
    font-size: 0.9rem;
    flex: 1;
    color: var(--k-text-color);
}

.k-app .task-card-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s;
}

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

.k-app .task-card-description {
    font-size: 0.8rem;
    color: var(--k-text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.k-app .task-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

.k-app .task-priority {
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    font-weight: 500;
}

.k-app .task-priority.low {
    background-color: #dcfce7;
    color: #166534;
}

.k-app .task-priority.medium {
    background-color: #fef3c7;
    color: #92400e;
}

.k-app .task-priority.high {
    background-color: #fee2e2;
    color: #991b1b;
}

body.dark-mode .k-app .task-priority.low {
    background-color: rgba(34, 197, 94, 0.2);
    color: #86efac;
}

body.dark-mode .k-app .task-priority.medium {
    background-color: rgba(251, 191, 36, 0.2);
    color: #fde047;
}

body.dark-mode .k-app .task-priority.high {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.k-app .task-assignee {
    color: var(--k-text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ===== Modal ===== */
.k-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--k-modal-overlay);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    animation: k-fadeIn 0.2s ease;
}

.k-modal.active {
    display: flex;
}

@keyframes k-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.k-modal .k-modal-content {
    background-color: var(--k-card-bg);
    padding: 2rem;
    border-radius: 1rem;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: var(--k-shadow-lg);
    animation: k-slideUp 0.3s ease;
}

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

.k-modal .k-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--k-text-muted);
    transition: color 0.2s;
}

.k-modal .k-modal-close:hover {
    color: var(--k-text-color);
}

.k-modal .k-modal-content h3 {
    margin-bottom: 1.5rem;
    color: var(--k-text-color);
}

.k-modal .form-group {
    margin-bottom: 1rem;
}

.k-modal .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--k-text-color);
    font-size: 0.875rem;
}

.k-modal .form-group input,
.k-modal .form-group textarea,
.k-modal .form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--k-border-color);
    border-radius: 0.5rem;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: var(--k-input-bg);
    color: var(--k-text-color);
}

.k-modal .form-group input:focus,
.k-modal .form-group textarea:focus,
.k-modal .form-group select:focus {
    outline: none;
    border-color: var(--k-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.k-modal .form-group input[type="color"] {
    height: 40px;
    padding: 0.25rem;
    cursor: pointer;
}

.k-modal .form-group select option {
    background-color: var(--k-card-bg);
    color: var(--k-text-color);
}

/* ===== Toast ===== */
.k-toast {
    position: fixed;
    bottom: 5rem;
    right: 1.5rem;
    background-color: var(--k-text-color);
    color: var(--k-bg-color);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--k-shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.k-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.k-toast.success {
    background-color: var(--k-success-color);
    color: white;
}

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

/* ===== Code de partage fixé ===== */
.k-share-code-fixed {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--k-card-bg);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    box-shadow: var(--k-shadow-lg);
    color: var(--k-text-color);
    font-size: 0.875rem;
    z-index: 400;
}

.k-share-code-fixed code {
    background-color: var(--k-bg-color);
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--k-primary);
    letter-spacing: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .page-kanban {
        padding: 0.75rem;
    }

    .page-kanban .main-nav {
        margin-bottom: 0.5rem;
    }

    .page-kanban .main-nav-bar {
        padding: 0.35rem 0.55rem;
    }

    .page-kanban .main-nav-toggle {
        width: 2.7rem;
        min-height: 2.7rem;
        padding: 0.55rem;
    }

    .page-kanban .site-title {
        font-size: clamp(2rem, 8vw, 2.75rem);
        margin-bottom: 1rem;
    }

    .page-kanban .site-title i {
        font-size: clamp(1.7rem, 6.8vw, 2.35rem);
    }

    .k-app {
        width: 100%;
        min-width: 0;
    }

    .k-app .k-toolbar {
        padding: 0.55rem 0.7rem;
        margin-bottom: 1rem;
        border-radius: 0.9rem;
    }

    .k-app .k-toolbar-actions {
        width: 100%;
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 0.55rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.1rem;
        scrollbar-width: none;
    }

    .k-app .k-toolbar-actions::-webkit-scrollbar {
        display: none;
    }

    .k-app .k-toolbar-actions .btn {
        flex: 0 0 auto;
        padding: 0.55rem 0.8rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .k-app .sync-status {
        flex: 0 0 auto;
        margin-right: 0;
        padding: 0.3rem 0.55rem;
        font-size: 0.72rem;
    }

    .k-app .kanban-controls {
        margin-bottom: 1rem;
    }

    .k-app .kanban-controls .btn-outline {
        padding: 0.55rem 0.8rem;
        font-size: 0.8rem;
    }

    .k-app .kanban-board {
        gap: 0.9rem;
        padding: 0 0.1rem 1rem;
        margin-inline: -0.1rem;
        min-height: 0;
        scroll-snap-type: x proximity;
    }

    .k-app .kanban-column {
        width: min(82vw, 300px);
        min-width: min(82vw, 300px);
        max-height: none;
    }

    .k-app .column-header {
        padding: 0.85rem 0.9rem;
    }

    .k-app .column-header h3 {
        font-size: 0.95rem;
        gap: 0.4rem;
    }

    .k-app .column-tasks {
        padding: 0.85rem;
        max-height: none;
    }

    .k-app .add-task-btn {
        margin: 0 0.85rem 0.85rem;
        padding: 0.7rem;
    }

    .k-app .lang-selector {
        order: 1;
    }
}

@media (max-width: 480px) {
    .page-kanban .main-nav {
        margin-bottom: 0.35rem;
    }

    .page-kanban .main-nav-bar {
        padding: 0.2rem 0.45rem;
    }

    .page-kanban .site-title {
        margin-bottom: 0.8rem;
    }

    .k-app .k-toolbar {
        padding: 0.45rem 0.55rem;
    }

    .k-app .k-toolbar-actions .btn {
        padding: 0.5rem 0.7rem;
        font-size: 0.76rem;
        gap: 0.4rem;
    }

    .k-app .sync-status {
        padding: 0.28rem 0.5rem;
        font-size: 0.68rem;
    }

    .k-app .kanban-column {
        width: min(86vw, 285px);
        min-width: min(86vw, 285px);
    }
}

/* ===== Scrollbar styling ===== */
.k-app .kanban-board::-webkit-scrollbar,
.k-app .column-tasks::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

.k-app .kanban-board::-webkit-scrollbar-track,
.k-app .column-tasks::-webkit-scrollbar-track {
    background: var(--k-bg-color);
    border-radius: 4px;
}

.k-app .kanban-board::-webkit-scrollbar-thumb,
.k-app .column-tasks::-webkit-scrollbar-thumb {
    background: var(--k-border-color);
    border-radius: 4px;
}

.k-app .kanban-board::-webkit-scrollbar-thumb:hover,
.k-app .column-tasks::-webkit-scrollbar-thumb:hover {
    background: var(--k-text-muted);
}

/* ===== Empty state ===== */
.k-app .empty-column {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--k-text-muted);
    font-size: 0.875rem;
}

.k-app .empty-column i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

/* ===== Font Awesome icon adjustments ===== */
.k-app .column-dot {
    font-size: 0.5rem;
    vertical-align: middle;
}

.k-app .btn i,
.k-app .btn-icon i,
.k-modal .btn i,
.k-modal .btn-icon i {
    font-size: 0.85rem;
}

.k-app .task-assignee i {
    font-size: 0.7rem;
    margin-right: 0.25rem;
}

/* ===== SUPPORT TACTILE (iPad/Mobile) ===== */

/* Clone de la carte pendant le drag tactile */
.k-touch-dragging-clone {
    pointer-events: none;
    z-index: 10000;
    background-color: var(--k-card-bg);
    border: 1px solid var(--k-primary);
    border-radius: 0.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

body.dark-mode .k-touch-dragging-clone {
    background-color: var(--k-bg-color);
}

/* Améliorer la réactivité tactile et trackpad */
.k-app .task-card {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    touch-action: auto;
}

/* Afficher les boutons d'action sur mobile (pas de hover) */
@media (hover: none) and (pointer: coarse) {
    .k-app .task-card-actions {
        opacity: 1;
    }

    .k-app .task-card {
        cursor: default;
    }

    /* Zone de drop plus visible sur tactile */
    .k-app .column-tasks.drag-over {
        background-color: rgba(6, 182, 212, 0.15);
        border: 3px dashed var(--k-primary);
    }
}