/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Skip Link - Accessibilite */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color, #6366f1);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 0 0 0.5rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 99999;
    text-decoration: none;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 0;
}

/* Today Filter Button */
.today-btn.active {
    background: rgba(234, 179, 8, 0.15) !important;
    border-color: rgba(234, 179, 8, 0.4) !important;
    color: #b45309 !important;
}

/* Focus Mode */
body.focus-mode .main {
    padding-top: 0.5rem !important;
}
body.focus-mode .todo-content-wrapper {
    max-width: 100% !important;
}
body.focus-mode .todo-items-container {
    max-width: 800px;
    margin: 0 auto;
}

/* Extreme Focus Mode */
body.extreme-focus .main {
    padding-top: 0.5rem !important;
}
body.extreme-focus .todo-content-wrapper {
    max-width: 100% !important;
}
/* Les deux sidebars restent visibles en mode extreme-focus mais compactées (icônes only).
 * Seuls les éléments distrayants (tags, attachments, comments, etc.) sont masqués. */
body.extreme-focus .view-controls-sidebar {
    width: 56px !important;
    padding: 0.4rem 0.25rem !important;
    gap: 0.25rem !important;
}
body.extreme-focus .view-controls-sidebar .view-btn-text,
body.extreme-focus .view-controls-sidebar .sidebar-label,
body.extreme-focus .view-controls-sidebar .today-counter,
body.extreme-focus .view-controls-sidebar .progress-label {
    display: none !important;
}
body.extreme-focus .view-controls-sidebar .view-btn {
    padding: 0.5rem !important;
    justify-content: center !important;
}
body.extreme-focus .view-controls-sidebar #progress-container {
    display: none !important;
}
body.extreme-focus .right-sidebar-container {
    width: 56px !important;
    padding: 0.4rem 0.25rem !important;
    gap: 0.4rem !important;
}
body.extreme-focus .right-sidebar-container .sidebar-section:not(.time-tracker-panel) {
    display: none !important;
}
body.extreme-focus .right-sidebar-container #time-tracker-panel {
    padding: 0.4rem 0.2rem !important;
    gap: 0.35rem !important;
}
body.extreme-focus #time-tracker-panel .time-tracker-link,
body.extreme-focus #time-tracker-panel .time-tracker-task,
body.extreme-focus #time-tracker-panel .time-tracker-status,
body.extreme-focus #time-tracker-panel .time-tracker-note,
body.extreme-focus #time-tracker-panel .time-tracker-buttons,
body.extreme-focus #time-tracker-panel .time-tracker-summary,
body.extreme-focus #time-tracker-panel .time-tracker-form {
    display: none !important;
}
body.extreme-focus #time-tracker-panel .time-tracker-header {
    margin-bottom: 0 !important;
}
body.extreme-focus #time-tracker-panel .time-tracker-timer {
    padding: 0.3rem 0.2rem !important;
}
body.extreme-focus #time-tracker-panel .time-tracker-display {
    font-size: 0.85rem !important;
}
body.extreme-focus #time-tracker-panel .time-tracker-title span:not(.time-tracker-title-icon) {
    display: none !important;
}
body.extreme-focus .todo-form-compact,
body.extreme-focus .unified-filters-compact,
body.extreme-focus .bulk-actions-bar,
body.extreme-focus .settings-panel {
    display: none !important;
}
body.extreme-focus .todo-table-container {
    background: transparent;
    box-shadow: none;
    overflow: visible;
    border: none !important;
}
body.extreme-focus .todo-table-wrapper {
    overflow: visible;
    border: none !important;
}
body.extreme-focus .todo-table {
    border: none;
    background: transparent;
}
body.extreme-focus .todo-table thead {
    display: none !important;
}
body.extreme-focus .todo-table .todo-cell.checkbox-cell,
body.extreme-focus .todo-table .todo-cell.status-cell,
body.extreme-focus .todo-table .todo-cell.created-cell,
body.extreme-focus .todo-table .todo-cell.priority-cell,
body.extreme-focus .todo-table .todo-cell.date-cell,
body.extreme-focus .todo-table .todo-cell.history-cell,
body.extreme-focus .todo-table .todo-cell.actions-cell,
body.extreme-focus .todo-table .actions-cell {
    display: none !important;
    width: 0 !important;
    min-width: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}
body.extreme-focus .todo-table .todo-cell.text-cell {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    border: none !important;
}
body.extreme-focus .todo-table .todo-row {
    background: transparent;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}
body.extreme-focus .todo-table .todo-row:hover {
    background: rgba(99, 102, 241, 0.04);
}
body.extreme-focus .todo-table .todo-row td {
    padding: 6px 12px;
}
body.extreme-focus .todo-text {
    font-size: 1rem;
    line-height: 1.5;
}
body.extreme-focus .todo-table .completed .todo-text {
    opacity: 0.4;
    text-decoration: line-through;
}
body.extreme-focus .todo-tag-chip,
body.extreme-focus .todo-attachments-summary,
body.extreme-focus .todo-comments-summary,
body.extreme-focus .todo-linked-summary,
body.extreme-focus .todo-subtasks-summary {
    display: none !important;
}

/* ===== Escape hatch : bouton flottant pour quitter extreme-focus ===== */
.extreme-focus-exit {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 99998;
    display: none;
    max-width: 320px;
}

body.extreme-focus .extreme-focus-exit {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.extreme-focus-exit-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(220, 38, 38, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    font-family: inherit;
    animation: extreme-exit-pulse 2.4s ease-in-out infinite;
}

.extreme-focus-exit-btn:hover {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(220, 38, 38, 0.45);
}

.extreme-focus-exit-btn:focus-visible {
    outline: 3px solid #fbbf24;
    outline-offset: 3px;
}

.extreme-focus-exit-btn kbd {
    font-family: ui-monospace, monospace;
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 700;
}

.extreme-focus-exit-hint {
    background: rgba(17, 24, 39, 0.94);
    color: #f9fafb;
    border-radius: 10px;
    padding: 0.55rem 0.75rem;
    font-size: 0.72rem;
    max-width: 280px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    line-height: 1.4;
}

@keyframes extreme-exit-pulse {
    0%, 100% { box-shadow: 0 6px 18px rgba(220, 38, 38, 0.35); }
    50% { box-shadow: 0 6px 22px rgba(220, 38, 38, 0.55); }
}
body.extreme-focus .todo-table .todo-cell.text-cell {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    border: none !important;
}
body.extreme-focus .todo-table .todo-row {
    background: transparent;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}
body.extreme-focus .todo-table .todo-row:hover {
    background: rgba(99, 102, 241, 0.04);
}
body.extreme-focus .todo-table .todo-row td {
    padding: 6px 12px;
}
body.extreme-focus .todo-text {
    font-size: 1rem;
    line-height: 1.5;
}
body.extreme-focus .todo-table .completed .todo-text {
    opacity: 0.4;
    text-decoration: line-through;
}
body.extreme-focus .todo-tag-chip,
body.extreme-focus .todo-attachments-summary,
body.extreme-focus .todo-comments-summary,
body.extreme-focus .todo-linked-summary,
body.extreme-focus .todo-subtasks-summary {
    display: none !important;
}
body.extreme-focus .todo-list .todo-item {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}
body.extreme-focus .todo-list .todo-item .todo-meta,
body.extreme-focus .todo-list .todo-item .todo-actions,
body.extreme-focus .todo-list .todo-item .todo-tags,
body.extreme-focus .todo-list .todo-item .todo-attachments,
body.extreme-focus .todo-list .todo-item .todo-comments,
body.extreme-focus .todo-list .todo-item .todo-subtasks {
    display: none !important;
}
body.extreme-focus .todo-list .todo-item .todo-text {
    font-size: 1rem;
    line-height: 1.5;
}
#focus-mode-btn.active {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: rgba(16, 185, 129, 0.4) !important;
    color: #059669 !important;
}
#extreme-focus-btn.active {
    background: rgba(245, 158, 11, 0.15) !important;
    border-color: rgba(245, 158, 11, 0.4) !important;
    color: #d97706 !important;
}

:root {
    /* ============================================
       PALETTE CHROMATIQUE COSMIQUE - PHASE 1
       ============================================ */

    /* Couleurs principales - Inspiration nébuleuse */
    --cosmic-indigo: #6366f1;
    /* Indigo cosmique */
    --nebula-purple: #8b5cf6;
    /* Violet nébuleuse */
    --aurora-cyan: #06b6d4;
    /* Cyan aurore */

    /* Alias pour compatibilité */
    --primary-cosmic: var(--cosmic-indigo);
    --secondary-nebula: var(--nebula-purple);
    --accent-aurora: var(--aurora-cyan);
    --highlight-stardust: #f59e0b;
    /* Or stellaire */

    /* Palette étendue - Gradient cosmique */
    --gradient-cosmic-indigo: linear-gradient(135deg, var(--cosmic-indigo) 0%, #4f46e5 100%);
    --gradient-nebula-purple: linear-gradient(135deg, var(--nebula-purple) 0%, #7c3aed 100%);
    --gradient-aurora-cyan: linear-gradient(135deg, var(--aurora-cyan) 0%, #0891b2 100%);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #30cfd0 0%, #330867 100%);

    /* Couleurs émotionnelles */
    --emotion-joy: #fbbf24;
    /* Joie dorée */
    --emotion-calm: #34d399;
    /* Calme vert */
    --emotion-focus: #3b82f6;
    /* Focus bleu */
    --emotion-accomplishment: #10b981;
    /* Accomplissement émeraude */

    /* Palette sémantique - Priority Emotions */
    --priority-urgent: linear-gradient(135deg, #ff6b6b, #ee5a24);
    --priority-high: linear-gradient(135deg, #feca57, #ff9ff3);
    --priority-medium: linear-gradient(135deg, #48dbfb, #0abde3);
    --priority-low: linear-gradient(135deg, #1dd1a1, #10ac84);

    /* États avec personnalité */
    --state-pending: linear-gradient(135deg, #dfe6e9, #b2bec3);
    --state-progress: linear-gradient(135deg, #74b9ff, #0984e3);
    --state-completed: linear-gradient(135deg, #55efc4, #00b894);

    /* ============================================
       VARIABLES COMPATIBILITÉ EXISTANTE
       ============================================ */

    /* Colors - Modern & Vibrant */
    --primary-color: var(--primary-cosmic);
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --primary-lighter: #c7d2fe;
    --secondary-color: var(--accent-aurora);
    --secondary-hover: #0d9488;
    --success-color: var(--emotion-accomplishment);
    --success-light: #d1fae5;
    --danger-color: #ef4444;
    --danger-light: #fee2e2;
    --warning-color: var(--highlight-stardust);
    --warning-light: #fef3c7;

    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #525252;
    --text-muted: #757575;
    --text-white: #ffffff;

    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* ============================================
       EFFETS GLASS MORPHISM AVANCÉS - PHASE 1
       ============================================ */

    /* Border Colors */
    --border-color: #e5e7eb;
    --border-focus: var(--primary-cosmic);
    --border-error: var(--danger-color);
    --border-glass: rgba(255, 255, 255, 0.2);
    --border-neon: rgba(99, 102, 241, 0.5);

    /* Shadows - Enhanced Cosmic */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.12), 0 2px 4px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 15px -3px rgba(99, 102, 241, 0.3), 0 4px 6px -2px rgba(99, 102, 241, 0.15);

    /* Cosmic Shadows */
    --shadow-cosmic: 0 8px 32px rgba(99, 102, 241, 0.15), 0 4px 16px rgba(139, 92, 246, 0.1);
    --shadow-nebula: 0 8px 32px rgba(139, 92, 246, 0.2), 0 4px 16px rgba(6, 182, 212, 0.1);
    --shadow-aurora: 0 8px 32px rgba(6, 182, 212, 0.2), 0 4px 16px rgba(99, 102, 241, 0.1);
    --shadow-stardust: 0 8px 32px rgba(245, 158, 11, 0.2), 0 4px 16px rgba(251, 191, 36, 0.1);

    /* Glass Morphism Effects - Enhanced */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-bg-hover: rgba(255, 255, 255, 0.15);
    --glass-bg-active: rgba(255, 255, 255, 0.2);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-border-hover: rgba(255, 255, 255, 0.3);
    --glass-backdrop: blur(10px);
    --glass-backdrop-intense: blur(20px);
    --glass-backdrop-extreme: blur(40px);

    /* Glass Depth Layers */
    --glass-layer-1: rgba(255, 255, 255, 0.05);
    --glass-layer-2: rgba(255, 255, 255, 0.1);
    --glass-layer-3: rgba(255, 255, 255, 0.15);
    --glass-layer-4: rgba(255, 255, 255, 0.2);

    /* Glass Reflection */
    --glass-reflection: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 50%);
    --glass-reflection-subtle: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 70%);

    /* Neon Effects - Enhanced */
    --neon-glow: 0 0 20px rgba(99, 102, 241, 0.5);
    --neon-glow-hover: 0 0 30px rgba(99, 102, 241, 0.7);
    --neon-glow-active: 0 0 40px rgba(99, 102, 241, 0.9);
    --neon-text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
    --neon-border-glow: 0 0 15px rgba(99, 102, 241, 0.6);

    /* ============================================
       TYPOGRAPHIE IMPACTANTE - PHASE 1
       ============================================ */

    /* Typography Scale - Golden Ratio (1.618) */
    --text-xs: 0.75rem;
    /* 12px - Micro-text */
    --text-sm: 0.875rem;
    /* 14px - Small text */
    --text-base: 1rem;
    /* 16px - Base text */
    --text-lg: 1.125rem;
    /* 18px - Large text */
    --text-xl: 1.25rem;
    /* 20px - XL text */
    --text-2xl: 1.5rem;
    /* 24px - Heading 3 */
    --text-3xl: 1.875rem;
    /* 30px - Heading 2 */
    --text-4xl: 2.25rem;
    /* 36px - Heading 1 */
    --text-5xl: 3rem;
    /* 48px - Display */

    /* Échelle typographique basée sur le nombre d'or - 6 niveaux de hiérarchie */
    --type-h1: 3.3125rem;
    /* 53px - 133px × 0.25 */
    --type-h2: 2.0625rem;
    /* 33px - 82.2px × 0.25 */
    --type-h3: 1.3125rem;
    /* 21px - 50.8px × 0.25 */
    --type-h4: 0.8125rem;
    /* 13px - 31.4px × 0.25 */
    --type-h5: 0.5rem;
    /* 8px - 19.4px × 0.25 */
    --type-h6: 0.3125rem;
    /* 5px - 12px × 0.25 */

    /* Font Weights - Semantic */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-black: 900;

    /* Line Heights - Optical */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Letter Spacing - Dynamic */
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;

    /* Polices Stratégiques */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', ui-monospace, monospace;
    --font-accent: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Compatibility */
    --font-family: var(--font-primary);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
       STYLES TYPOGRAPHIQUES IMPACTANTS - PHASE 1
       ============================================ */

/* Hero Typography */
.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--font-black);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    background: linear-gradient(135deg, var(--primary-cosmic), var(--secondary-nebula));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

/* Interactive Typography */
.interactive-text {
    font-family: var(--font-primary);
    font-weight: var(--font-medium);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.interactive-text:hover {
    font-weight: var(--font-semibold);
    color: var(--primary-cosmic);
    transform: translateY(-1px);
}

.interactive-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-cosmic), var(--secondary-nebula));
    transition: width 0.3s ease;
}

.interactive-text:hover::after {
    width: 100%;
}

/* Celebration Typography */
.celebration-text {
    font-family: var(--font-accent);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: celebrationGradient 3s ease infinite;
}

@keyframes celebrationGradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Holographic Elements */
.holographic {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #ffeaa7, #ff6b6b);
    background-size: 300% 300%;
    animation: holographicShift 4s ease infinite;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes holographicShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Typography Hierarchy */
h1,
.heading-1 {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-black);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

h2,
.heading-2 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

h3,
.heading-3 {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-normal);
    color: var(--text-primary);
}

h4,
.heading-4 {
    font-family: var(--font-primary);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-normal);
    color: var(--text-primary);
}

h5,
.heading-5 {
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-normal);
    color: var(--text-primary);
}

h6,
.heading-6 {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-wide);
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    width: 100%;
}

/* Ajustement du conteneur quand la sidebar est visible */
.view-controls-sidebar:not(.hidden)~.container {
    margin: 0 auto;
    max-width: calc(1200px + 6rem);
    padding-right: 6rem;
    width: 100%;
}

@media (max-width: 1024px) {
    .view-controls-sidebar:not(.hidden)~.container {
        max-width: 100%;
        padding-right: 0;
    }
}

/* ============================================
       EFFETS GLASS MORPHISM & NEON - PHASE 1
       ============================================ */

/* Neon Morphism - Enhanced */
.neon-morphism {
    background: linear-gradient(145deg, var(--glass-layer-2), var(--glass-layer-1));
    border: 1px solid var(--glass-border);
    box-shadow:
        0 8px 32px rgba(31, 38, 135, 0.37),
        inset 0 2px 4px var(--glass-layer-2),
        0 0 20px rgba(99, 102, 241, 0.3),
        inset 0 0 20px rgba(99, 102, 241, 0.1);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.neon-morphism:hover {
    border-color: var(--glass-border-hover);
    box-shadow:
        0 12px 48px rgba(31, 38, 135, 0.45),
        inset 0 2px 6px var(--glass-layer-3),
        0 0 30px rgba(99, 102, 241, 0.4),
        inset 0 0 30px rgba(99, 102, 241, 0.15);
    backdrop-filter: var(--glass-backdrop-intense);
    -webkit-backdrop-filter: var(--glass-backdrop-intense);
}

.neon-morphism::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--glass-reflection);
    transition: left 0.5s ease;
}

.neon-morphism:hover::before {
    left: 100%;
}

/* Liquid Glass - Enhanced */
.liquid-glass {
    background: linear-gradient(135deg, var(--glass-bg), var(--glass-layer-1));
    backdrop-filter: var(--glass-backdrop-intense);
    -webkit-backdrop-filter: var(--glass-backdrop-intense);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 8px 32px rgba(31, 38, 135, 0.37),
        inset 0 2px 4px var(--glass-layer-2),
        0 0 40px rgba(99, 102, 241, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.liquid-glass:hover {
    background: linear-gradient(135deg, var(--glass-bg-hover), var(--glass-layer-2));
    backdrop-filter: var(--glass-backdrop-extreme);
    -webkit-backdrop-filter: var(--glass-backdrop-extreme);
    box-shadow:
        0 12px 48px rgba(31, 38, 135, 0.45),
        inset 0 2px 6px var(--glass-layer-3),
        0 0 60px rgba(99, 102, 241, 0.3);
}

.liquid-glass::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    animation: liquidFlow 3s linear infinite;
}

.liquid-glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-reflection-subtle);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.liquid-glass:hover::after {
    opacity: 1;
}

/* Glass Morphism Layers - New */
.glass-morphism-layered {
    background: linear-gradient(135deg,
            var(--glass-layer-1) 0%,
            var(--glass-layer-2) 25%,
            var(--glass-layer-3) 50%,
            var(--glass-layer-2) 75%,
            var(--glass-layer-1) 100%);
    backdrop-filter: var(--glass-backdrop-intense);
    -webkit-backdrop-filter: var(--glass-backdrop-intense);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 8px 32px rgba(31, 38, 135, 0.37),
        inset 0 1px 2px var(--glass-layer-4),
        inset 0 -1px 2px rgba(0, 0, 0, 0.1),
        0 0 25px rgba(99, 102, 241, 0.25);
    position: relative;
    overflow: hidden;
}

.glass-morphism-layered::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.5),
            transparent);
    animation: glassShimmer 3s ease-in-out infinite;
}

@keyframes glassShimmer {

    0%,
    100% {
        transform: translateX(-100%);
    }

    50% {
        transform: translateX(100%);
    }
}

/* Glass Morphism Depth - New */
.glass-morphism-depth {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 4px 16px rgba(31, 38, 135, 0.25),
        0 8px 32px rgba(31, 38, 135, 0.15),
        inset 0 1px 2px var(--glass-layer-3),
        inset 0 -1px 2px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1;
}

.glass-morphism-depth::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            var(--glass-layer-2) 0%,
            transparent 50%,
            var(--glass-layer-1) 100%);
    pointer-events: none;
    z-index: -1;
}

.glass-morphism-depth::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
            var(--primary-cosmic),
            var(--secondary-nebula),
            var(--accent-aurora));
    border-radius: inherit;
    z-index: -2;
    opacity: 0.3;
    filter: blur(8px);
}

@keyframes liquidFlow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Header with Glass Morphism */
.header {
    background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-cosmic);
    position: sticky;
    top: 0;
    z-index: 500;
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    transition: var(--transition-normal);
    letter-spacing: -0.02em;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-cosmic) 0%, var(--secondary-nebula) 50%, var(--accent-aurora) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: holographicShift 4s ease infinite;
}

.logo:hover {
    transform: scale(1.02);
}

.logo:hover .logo-img {
    transform: rotate(5deg) scale(1.1);
    filter: drop-shadow(0 8px 16px rgba(99, 102, 241, 0.6));
}

.logo-img {
    transition: var(--transition-normal);
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.4));
}

/* Dark mode support for logo */
@media (prefers-color-scheme: dark) {
    .logo-text {
        background: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #c084fc 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .logo:hover .logo-img {
        filter: drop-shadow(0 8px 16px rgba(129, 140, 248, 0.5));
    }
}

/* Manual dark mode class support */
body.dark-mode .logo-text {
    background: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .logo:hover .logo-img {
    filter: drop-shadow(0 8px 16px rgba(129, 140, 248, 0.5));
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.connection-status:hover {
    border-color: var(--primary-light);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.status-indicator.online {
    background: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    animation: pulse-online 2s infinite;
}

.status-indicator.offline {
    background: var(--text-muted);
}

@keyframes pulse-online {

    0%,
    100% {
        box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1);
    }
}

/* Main Content */
.main {
    flex: 1;
    padding: 0;
}

/* Settings Panel */
.settings-panel {
    margin-bottom: 0;
}

.settings-toggle {
    display: none;
    /* Hidden - settings button now in header */
}

.settings-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    /* Position and animation can be overridden in compact-modern.css */
    position: fixed;
    top: 80px;
    right: var(--spacing-md);
    z-index: 100000;
    width: min(400px, calc(100vw - 2 * var(--spacing-md)));
}

.settings-content h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

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

@media (max-width: 768px) {
    .settings-content {
        left: var(--spacing-md);
        right: var(--spacing-md);
        width: auto;
        max-width: none;
    }
}

.setting-group:last-child {
    margin-bottom: 0;
}

.setting-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.setting-checkbox-label {
    display: inline-flex !important;
    align-items: center;
    gap: 10px;
    margin-bottom: 0 !important;
}

.setting-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.sync-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.sync-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* Todo Form */
.todo-form {
    margin-bottom: var(--spacing-xl);
}

.todo-form-compact {
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

.todo-form-compact .form {
    padding: 14px 16px;
    overflow: visible;
}

.todo-composer-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form {
    background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-cosmic);
    border: 2px solid var(--glass-border);
    transition: all var(--transition-normal);
    backdrop-filter: var(--glass-backdrop-intense);
    -webkit-backdrop-filter: var(--glass-backdrop-intense);
    position: relative;
    overflow: hidden;
}

.form::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.form:hover {
    border-color: var(--neon-border);
    box-shadow: var(--shadow-nebula), var(--neon-glow);
    transform: translateY(-2px);
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.todo-composer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 160px 190px 72px;
    gap: 8px;
    align-items: stretch;
}

.todo-composer-form .input-lg,
.todo-composer-form .btn-lg {
    min-height: 42px;
    padding: 9px 14px;
    font-size: 0.95rem;
    border-radius: 14px;
}

.todo-composer-form .todo-composer-submit .btn-lg {
    padding: 10px;
}

.todo-composer-form .todo-composer-submit svg {
    width: 18px;
    height: 18px;
}

.todo-composer-title,
.todo-composer-type,
.todo-composer-priority,
.todo-composer-submit,
.todo-composer-date,
.todo-composer-recurring {
    min-width: 0;
}

.todo-composer-title .input {
    width: 100%;
}

.todo-composer-priority .priority-selector,
.todo-composer-priority .priority-selector > .btn,
.todo-composer-submit .btn {
    width: 100%;
}

.todo-composer-submit-btn {
    min-height: 100%;
}

.todo-composer-task-row {
    display: grid;
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr) minmax(220px, 260px);
    gap: 8px;
    align-items: center;
}

.todo-composer-preview {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(244, 247, 255, 0.98) 100%);
    color: #475569;
    font-size: 0.94rem;
    font-weight: 600;
    line-height: 1.35;
}

.todo-composer-preview-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.12);
    color: #4f46e5;
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1;
}

.todo-composer-preview-badge.event {
    background: rgba(217, 119, 6, 0.14);
    color: #b45309;
}

.todo-composer-preview-main {
    color: #334155;
    font-weight: 700;
}

.todo-composer-preview-meta {
    color: #64748b;
    font-weight: 600;
}

.todo-composer-tag-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: -2px;
}

.todo-composer-tag-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 11px;
    border: 1px solid rgba(96, 165, 250, 0.35);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    color: #2563eb;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.todo-composer-tag-chip:hover {
    background: #eff6ff;
    border-color: #93c5fd;
}

.todo-composer-tag-chip.active {
    background: #eff6ff;
    border-color: #60a5fa;
    color: #1d4ed8;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.12);
}

.todo-composer-shortcuts {
    min-width: 0;
}

.todo-composer-event-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: stretch;
    border-top: 1px solid rgba(148, 163, 184, 0.18);
    padding-top: 8px;
}

.todo-event-row {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) 112px minmax(180px, 1fr) 112px minmax(180px, 220px);
    gap: 8px;
    align-items: end;
    min-width: 0;
}

.todo-event-all-day {
    min-height: 38px;
    padding: 8px 12px;
}

.todo-event-inline-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.todo-event-inline-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #64748b;
    padding-left: 2px;
}

.todo-composer-event-fields .due-date-input {
    min-width: 0;
    min-height: 36px;
    padding: 6px 8px;
    width: 100%;
}

.todo-event-all-day-helper {
    padding: 6px 10px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.08);
    color: #4f46e5;
    font-size: 0.82rem;
    font-weight: 600;
}

.todo-composer-event-fields.all-day .todo-event-inline-field-time {
    opacity: 0.55;
}

.due-date-input {
    flex: 0 0 180px;
    min-width: 160px;
}

.due-date-picker {
    width: 100%;
}

.due-date-shortcuts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.due-date-shortcuts-modal {
    margin-top: 16px;
    justify-content: center;
}

.due-date-shortcut {
    appearance: none;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.due-date-shortcut:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.due-date-shortcut:focus-visible {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.due-date-shortcut.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: var(--text-white);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.24);
}

@media (max-width: 768px) {
    .todo-composer-grid,
    .todo-composer-task-row,
    .todo-composer-event-fields,
    .todo-event-row {
        grid-template-columns: 1fr;
    }

    .todo-composer-preview {
        font-size: 0.9rem;
    }

    .todo-composer-submit {
        display: flex;
        justify-content: flex-end;
    }

    .todo-composer-submit .btn {
        width: auto;
        min-width: 72px;
    }

    .due-date-input {
        flex: 1 1 100%;
        min-width: 100%;
    }

    .due-date-shortcuts {
        width: 100%;
    }

    .due-date-shortcut {
        flex: 1 1 calc(50% - 8px);
        justify-content: center;
        text-align: center;
    }
}

.input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.input:hover {
    border-color: var(--primary-lighter);
    box-shadow: var(--shadow-md);
}

.input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), var(--shadow-md);
    transform: translateY(-1px);
}

.input-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: var(--text-white);
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #3730a3 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.45);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: var(--text-white);
    box-shadow:
        0 4px 14px 0 rgba(239, 68, 68, 0.3),
        0 0 20px rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-danger::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 0.5s ease;
}

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

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px) scale(1.02);
    box-shadow:
        0 6px 20px 0 rgba(239, 68, 68, 0.4),
        0 0 25px rgba(239, 68, 68, 0.25);
}

.btn-lg {
    padding: var(--spacing-lg);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-icon {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

/* Unified Compact Filters */
.unified-filters-compact {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filters-row-compact {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: nowrap; /* Fixed: align search and filters on one line */
}

.filters-row-secondary {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

/* Compact Search */
.search-container-compact {
    position: relative;
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
}

.search-clear-btn-compact {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.search-clear-btn-compact:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.search-input {
    padding: 0 36px 0 12px; /* Ajustement padding pour icône clear */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    transition: var(--transition-fast);
    width: 100%;
    height: 36px; /* Réduit de 42px à 36px pour l'harmonie */
    line-height: 34px;
    box-sizing: border-box;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.1);
}

/* Compact Priority Filters */
.priority-filters-compact {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.priority-filters-compact .priority-filter-btn {
    padding: 0 10px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px; /* Augmenté de 28px à 36px pour matcher l'input */
    box-sizing: border-box;
    font-weight: 500;
}

.priority-filters-compact .priority-filter-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.priority-filters-compact .priority-filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.priority-filters-compact .count {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.priority-filters-compact .priority-filter-btn.active .count {
    background: rgba(255, 255, 255, 0.25);
}

/* Compact Status Filters */
.status-filters-compact {
    flex: 1;
    display: flex;
    justify-content: center;
}

.status-filters-compact .status-filter-container {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
}

.status-filters-compact .status-filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8rem;
    border: 2px solid transparent;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.status-filters-compact .status-filter-btn:hover {
    background: white;
    border-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.status-filters-compact .status-filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border-color: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 4px 12px 0 rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.status-filters-compact .status-filter-btn.active:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 16px 0 rgba(99, 102, 241, 0.5);
}

.status-filters-compact .count {
    background: rgba(255, 255, 255, 0.25);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 22px;
    text-align: center;
    backdrop-filter: blur(4px);
}

.status-filters-compact .status-filter-btn.active .count {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.status-filters-compact .status-filter-btn.active .count {
    background: rgba(255, 255, 255, 0.25);
}

/* Compact Filter Actions */
.filters-actions-compact {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

#tag-filter-select {
    min-width: 170px;
}

.select-compact {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.select-compact:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.1);
}

.active-filter-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    margin-top: 6px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md, 8px);
    font-size: 0.75rem;
    color: var(--primary-color, #6366f1);
    animation: filterBarIn 0.2s ease-out;
}

.active-filter-bar.hidden {
    display: none;
}

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

.active-filter-label {
    font-weight: 500;
    opacity: 0.7;
}

.active-filter-tag {
    font-weight: 700;
    color: var(--primary-color, #6366f1);
}

.active-filter-clear {
    background: none;
    border: none;
    color: var(--primary-color, #6366f1);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    margin-left: 2px;
}

.active-filter-clear:hover {
    background: var(--primary-color, #6366f1);
    color: white;
}

body.dark-mode .active-filter-bar {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.25);
    color: #818cf8;
}

body.dark-mode .active-filter-tag {
    color: #818cf8;
}

body.dark-mode .active-filter-clear {
    color: #818cf8;
}

body.dark-mode .active-filter-clear:hover {
    background: #6366f1;
    color: white;
}

/* Original Filters - Hidden by default for compact mode */
.filters {
    display: none;
}

/* Legacy support (in case JS still references these) */
.filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.filter-tabs {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-primary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
}

.filter-btn .count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.filter-btn.active .count {
    background: rgba(255, 255, 255, 0.3);
}

/* Todo List */
main .container .todo-list {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    margin-left: auto !important;
    margin-right: auto !important;
    width: 100% !important;
    max-width: 100%;
}

.todo-container {
    min-height: 0;
    position: relative;
    z-index: 1;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-muted);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg);
}

.empty-state svg {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-light);
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.2));
    animation: float 3s ease-in-out infinite;
}

.empty-state p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.empty-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
    color: var(--text-secondary);
    font-weight: 500;
}

.todo-items {
    list-style: none;
}

.todo-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
    gap: var(--spacing-md);
}

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

.todo-item:hover {
    background: var(--bg-secondary);
}

.todo-item.completed {
    opacity: 0.6;
}

.todo-item.completed .todo-text {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.todo-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.todo-checkbox:hover {
    border-color: var(--primary-color);
}

.todo-checkbox.checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.todo-checkbox.checked::after {
    content: '✓';
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: 600;
}

.todo-text {
    flex: 1;
    font-size: 1rem;
    line-height: 1.5;
    word-break: break-word;
}

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

.todo-item:hover .todo-actions {
    opacity: 1;
}

/* Always show actions in list view for better usability */
.todo-list .todo-actions {
    opacity: 1;
}

.todo-list .todo-item:hover .todo-actions {
    opacity: 1;
}

.todo-btn {
    padding: var(--spacing-xs);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.todo-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-color);
}

/* Enhanced visibility for list view buttons */
.todo-list .todo-btn {
    padding: var(--spacing-sm);
    min-width: 32px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    opacity: 1;
    visibility: visible;
}

.todo-list .todo-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.todo-list .todo-btn.delete:hover {
    background: var(--danger-light);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.todo-list .todo-btn.description:hover {
    background: var(--primary-lighter);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.todo-list .todo-btn.description.has-description {
    background: var(--primary-lighter);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.todo-btn.delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    margin-top: auto;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
}

.footer-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-stats span {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.footer-stats span:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

/* Loading State */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

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

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

/* Form Elements */
.select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Notifications */
.notification-container {
    position: fixed;
    /* FIX NOTIFICATIONS — Avant : top: calc(var(--spacing-lg) + 60px) = 84px.
       Mais le header fait jusqu'à 185px de haut (à cause des widgets timers
       dans .header-center). Les notifications étaient donc POSITIONNÉES DERRIÈRE
       LE HEADER, et bien que z-index: 2000 > header z-index: 500, le header a
       backdrop-filter qui crée un stacking context et capte les clics souris.
       Solution :
       1. top: 200px pour desktop (header fait ~185px) — le JS ajuste dynamiquement
          via la classe .header-compact si le header est plus petit.
       2. z-index: 100001 au-dessus de tout (settings 100000, header 500).
       3. pointer-events: none sur le container + pointer-events: auto sur les
          notifs individuelles (pour ne pas bloquer les clics sous le container). */
    top: 200px;
    right: var(--spacing-lg);
    z-index: 100001;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 420px;
    pointer-events: none; /* Le container ne capte pas les clics, mais les notifs oui */
}

.notification-container .notification {
    pointer-events: auto; /* Chaque notification capte les clics (close button, etc.) */
}

/* Quand le header est compact (scroll ou petit écran), on remonte les notifs */
@media (max-width: 767px) {
    .notification-container {
        top: 140px; /* Header mobile plus petit */
    }
}

/* FIX ESPACING — Ajouter un padding-top au container dans .todo-content-wrapper
   pour que le tableau de nouvelle tâche ne soit pas collé au header.
   L'espace (~24px) correspond à --spacing-lg, similaire au gap entre le form
   et la liste des tâches.
   NOTE : cette règle était dans compact-modern.css mais ce fichier n'est pas chargé
   dans index.php. Déplacée ici (styles.css est chargé en premier, critique). */
.todo-content-wrapper .container {
    padding-top: var(--spacing-lg) !important;
}

.notification {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-2xl);
    min-width: 320px;
    max-width: 420px;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 5px;
    transition: all var(--transition-normal);
}

.notification:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-2xl), -5px 0 15px rgba(0, 0, 0, 0.1);
}

.notification.success::before {
    background: linear-gradient(180deg, var(--success-color), #059669);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.notification.error::before {
    background: linear-gradient(180deg, var(--danger-color), #dc2626);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.notification.warning::before {
    background: linear-gradient(180deg, var(--warning-color), #d97706);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.notification.info::before {
    background: linear-gradient(180deg, var(--primary-color), var(--primary-hover));
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.notification-title {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notification.success .notification-title::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.notification.error .notification-title::before {
    content: '✕';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.notification.warning .notification-title::before {
    content: '⚠';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--warning-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.notification.info .notification-title::before {
    content: 'ⓘ';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.notification-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: calc(24px + var(--spacing-sm));
}

.notification-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1rem;
    line-height: 1;
}

.notification-close:hover {
    background: var(--danger-light);
    color: var(--danger-color);
    border-color: var(--danger-color);
    transform: rotate(90deg) scale(1.1);
}

/* Todo Edit Input Styles */
.todo-edit-input {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    transition: var(--transition-fast);
}

.todo-edit-input:focus {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.2);
}

.todo-edit-input::selection {
    background: var(--primary-light);
    color: var(--text-white);
}

/* Table view specific edit input styles */
.todo-table .todo-edit-input {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Grid view specific edit input styles */
.todo-card .todo-edit-input {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.5;
    background: var(--bg-secondary);
}

/* Animation for edit mode */
.todo-text-wrapper.editing,
.todo-text.editing {
    position: relative;
}

.todo-text-wrapper.editing::after,
.todo-text.editing::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-sm);
    pointer-events: none;
    animation: editPulse 1.5s ease-in-out infinite;
}

@keyframes editPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.7;
    }
}


/* ============================================
       ACCESSIBILITÉ WCAG & CONTRASTES - PHASE 1
       ============================================ */

/* Enhanced Focus Styles for WCAG AAA */
.btn:focus-visible,
.input:focus-visible,
.select:focus-visible,
.todo-checkbox:focus-visible,
.filter-btn:focus-visible,
.todo-btn:focus-visible,
.priority-filter-btn:focus-visible,
.status-filter-btn:focus-visible {
    outline: 3px solid var(--primary-cosmic);
    outline-offset: 2px;
    box-shadow: 0 0 0 5px rgba(99, 102, 241, 0.2);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-cosmic: #4f46e5;
        --secondary-nebula: #7c3aed;
        --accent-aurora: #0891b2;
        --highlight-stardust: #d97706;
    }

    .btn {
        border-width: 2px;
    }

    .input {
        border-width: 2px;
    }

    .todo-checkbox {
        border-width: 3px;
    }
}

/* Reduced Motion Support Enhanced */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    /* Keep essential animations but make them faster */
    .animate-cinematic-entrance {
        animation: fadeIn 0.2s ease-out !important;
    }

    .animate-celebration-burst {
        animation: scaleIn 0.2s ease-out !important;
    }

    .particle {
        animation: none !important;
    }
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-cosmic);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-to-main:focus {
    top: 6px;
}

/* Enhanced Color Contrast Ratios */
.text-primary {
    color: #111827;
    /* 15.8:1 ratio on white */
}

.text-secondary {
    color: #374151;
    /* 10.2:1 ratio on white */
}

.text-muted {
    color: #6b7280;
    /* 4.5:1 ratio on white */
}

/* Dark mode contrast adjustments */
@media (prefers-color-scheme: dark) {
    .text-primary {
        color: #f9fafb;
        /* 17.2:1 ratio on dark */
    }

    .text-secondary {
        color: #d1d5db;
        /* 13.9:1 ratio on dark */
    }

    .text-muted {
        color: #9ca3af;
        /* 7.2:1 ratio on dark */
    }
}

/* Interactive Elements - Enhanced Accessibility */
.btn,
.todo-btn,
.filter-btn,
.priority-filter-btn,
.status-filter-btn {
    min-height: 44px;
    /* WCAG AA minimum touch target */
    min-width: 44px;
    position: relative;
}

.btn::before,
.todo-btn::before,
.filter-btn::before,
.priority-filter-btn::before,
.status-filter-btn::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: inherit;
    transition: all 0.2s ease;
}

.btn:focus-visible::before,
.todo-btn:focus-visible::before,
.filter-btn:focus-visible::before,
.priority-filter-btn:focus-visible::before,
.status-filter-btn:focus-visible::before {
    border-color: var(--primary-cosmic);
    background: rgba(99, 102, 241, 0.1);
}

/* Form Labels - Enhanced Accessibility */
.setting-group label,
.form label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

/* ARIA Live Regions */
.aria-live-region {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Loading States - Accessible */
.loading[aria-busy="true"]::before {
    content: 'Chargement en cours';
    position: absolute;
    left: -10000px;
}

/* Success/Error States - Enhanced */
.btn-primary[aria-pressed="true"] {
    background: var(--emotion-accomplishment);
    border-color: var(--emotion-accomplishment);
}

.btn-danger[aria-pressed="true"] {
    background: #dc2626;
    border-color: #dc2626;
}

/* Enhanced Keyboard Navigation */
.todo-item:focus-within {
    outline: 2px solid var(--primary-cosmic);
    outline-offset: 2px;
}

/* Color Blindness Support */
.colorblind-friendly {
    /* Ensure information is not conveyed by color alone */
    border-left: 4px solid var(--primary-cosmic);
    position: relative;
}

.colorblind-friendly::before {
    content: '•';
    position: absolute;
    left: -8px;
    color: var(--primary-cosmic);
    font-weight: bold;
}

/* Print Styles - Enhanced */
@media print {

    .particle-container,
    .celebration-overlay,
    .debug-panel,
    .view-controls-sidebar {
        display: none !important;
    }

    .btn,
    .todo-btn {
        border: 1px solid #000 !important;
        background: #fff !important;
        color: #000 !important;
    }

    .priority-badge {
        border: 2px solid #000 !important;
        background: #fff !important;
        color: #000 !important;
    }
}

/* ============================================
       TRANSITIONS AVANCÉES - PHASE 2
       ============================================ */

/* Variables de Transitions Avancées */
:root {
    /* Timing Functions Cinematographiques */
    --ease-cinematic: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-bounce-smooth: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-elastic: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-morph: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-neon: cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Durées de Transitions */
    --transition-instant: 0.15s;
    --transition-quick: 0.25s;
    --transition-normal: 0.35s;
    --transition-slow: 0.5s;
    --transition-cinematic: 0.8s;

    /* Transitions 3D */
    --transform-3d-hover: translateY(-2px) translateZ(10px) rotateX(2deg);
    --transform-3d-active: translateY(0) translateZ(5px) rotateX(1deg);
    --transform-morph-hover: scale(1.05) rotateZ(1deg);
    --transform-morph-active: scale(0.95) rotateZ(-1deg);
}

/* Classes de Transitions Avancées */
.transition-cinematic {
    transition: all var(--transition-cinematic) var(--ease-cinematic);
    transform-style: preserve-3d;
    will-change: transform;
}

.transition-bounce {
    transition: all var(--transition-normal) var(--ease-bounce-smooth);
    transform-style: preserve-3d;
}

.transition-elastic {
    transition: all var(--transition-quick) var(--ease-elastic);
    transform-style: preserve-3d;
}

.transition-neon {
    transition: all var(--transition-normal) var(--ease-neon);
    transform-style: preserve-3d;
}

.transition-morph {
    transition: all var(--transition-slow) var(--ease-morph);
    transform-style: preserve-3d;
}

/* Transitions de Morphing */
.morph-on-hover {
    transition: all var(--transition-slow) var(--ease-morph);
    transform-style: preserve-3d;
}

.morph-on-hover:hover {
    transform: var(--transform-morph-hover);
    border-radius: calc(var(--radius-lg) * 1.2);
    box-shadow:
        0 8px 25px rgba(99, 102, 241, 0.3),
        0 0 30px rgba(99, 102, 241, 0.15);
}

.morph-on-hover:active {
    transform: var(--transform-morph-active);
    transition-duration: var(--transition-quick);
}

/* Transitions 3D Subtiles */
.transform-3d-subtle {
    transition: all var(--transition-normal) var(--ease-cinematic);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.transform-3d-subtle:hover {
    transform: var(--transform-3d-hover);
}

.transform-3d-subtle:active {
    transform: var(--transform-3d-active);
}

/* Transitions de Morphing de Couleur */
.color-morph {
    transition: all var(--transition-slow) var(--ease-morph);
    position: relative;
    overflow: hidden;
}

.color-morph::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-slow) var(--ease-morph);
    z-index: 1;
}

.color-morph:hover::before {
    left: 100%;
}

.color-morph:hover {
    background: linear-gradient(135deg,
            var(--primary-cosmic) 0%,
            var(--secondary-nebula) 50%,
            var(--accent-aurora) 100%);
    color: var(--text-white);
    transform: translateY(-1px);
}

/* Transitions de Transformation d'Éléments */
.element-transform {
    transition: all var(--transition-normal) var(--ease-cinematic);
    transform-style: preserve-3d;
}

.element-transform:hover {
    transform: scale(1.02) translateY(-1px) rotateX(1deg);
    box-shadow:
        0 4px 20px rgba(99, 102, 241, 0.2),
        0 0 25px rgba(99, 102, 241, 0.1);
}

.element-transform:active {
    transform: scale(0.98) translateY(0) rotateX(0deg);
    transition-duration: var(--transition-quick);
}

/* Transitions de Glissement Avancées */
.slide-transition {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal) var(--ease-cinematic);
}

.slide-transition::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.1) 50%,
            transparent 70%);
    transform: translateX(-100%);
    transition: transform var(--transition-slow) var(--ease-cinematic);
}

.slide-transition:hover::after {
    transform: translateX(100%);
}

/* Transitions de Rotation 3D */
.rotate-3d {
    transition: all var(--transition-normal) var(--ease-cinematic);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.rotate-3d:hover {
    transform: rotateY(5deg) rotateX(2deg) scale(1.02);
}

.rotate-3d:active {
    transform: rotateY(-2deg) rotateX(-1deg) scale(0.98);
}

/* Transitions de Profondeur */
.depth-transition {
    transition: all var(--transition-normal) var(--ease-cinematic);
    transform-style: preserve-3d;
}

.depth-transition:hover {
    transform: translateZ(20px) scale(1.05);
    box-shadow:
        0 20px 40px rgba(99, 102, 241, 0.3),
        0 0 50px rgba(99, 102, 241, 0.2);
}

.depth-transition:active {
    transform: translateZ(10px) scale(1.02);
}

/* Transitions de Distorsion */
.distort-transition {
    transition: all var(--transition-slow) var(--ease-morph);
    filter: blur(0px);
}

.distort-transition:hover {
    filter: blur(0.5px) brightness(1.1);
    transform: scale(1.02) skewX(1deg);
}

.distort-transition:active {
    filter: blur(0px) brightness(1);
    transform: scale(0.98) skewX(0deg);
}

/* Transitions de Vague */
.wave-transition {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal) var(--ease-cinematic);
}

.wave-transition::before,
.wave-transition::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: all var(--transition-slow) var(--ease-cinematic);
}

.wave-transition:hover::before {
    width: 300px;
    height: 300px;
    opacity: 0;
}

.wave-transition:active::after {
    width: 200px;
    height: 200px;
    opacity: 0.5;
}

/* Support pour prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {

    .transition-cinematic,
    .transition-bounce,
    .transition-elastic,
    .transition-neon,
    .transition-morph,
    .morph-on-hover,
    .transform-3d-subtle,
    .color-morph,
    .element-transform,
    .slide-transition,
    .rotate-3d,
    .depth-transition,
    .distort-transition,
    .wave-transition {
        transition: none !important;
        transform: none !important;
        animation: none !important;
    }

    .morph-on-hover:hover,
    .transform-3d-subtle:hover,
    .element-transform:hover,
    .rotate-3d:hover,
    .depth-transition:hover,
    .distort-transition:hover {
        transform: none !important;
    }

    .color-morph::before,
    .slide-transition::after,
    .wave-transition::before,
    .wave-transition::after {
        display: none !important;
    }
}
.calendar-composer-highlight {
    animation: calendarComposerPulse 1.4s ease;
}

@keyframes calendarComposerPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.2);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0.08);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}