* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #FF6B4A;
    --secondary: #4F46E5;
    --accent: #06D6A0;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --dark-bg: #0F0F23;
    --dark-card: rgba(255, 255, 255, 0.05);
    --dark-border: rgba(255, 255, 255, 0.1);
    --glass: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.4);
    --gradient-primary: linear-gradient(135deg, var(--primary), #FF8E53);
    --gradient-secondary: linear-gradient(135deg, var(--secondary), #818CF8);
    --gradient-accent: linear-gradient(135deg, var(--accent), #34D399);
    --gradient-bg: radial-gradient(ellipse at top, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
                   radial-gradient(ellipse at bottom, rgba(255, 107, 74, 0.1) 0%, transparent 50%),
                   linear-gradient(180deg, #0F0F23 0%, #1a1a3e 100%);
    
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --section-gap: 40px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    background: var(--gradient-bg);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-header {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    padding: 20px 24px;
    position: sticky;
    top: 0;
    z-index: 10000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: 1.875rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: -2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.quick-sync {
    display: flex; /* Changé de none à flex pour éviter les problèmes de chargement */
    align-items: center;
    gap: 12px;
    opacity: 0; /* Utilisé à la place de display:none */
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.quick-sync.show {
    opacity: 1;
    visibility: visible;
}

.settings-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    margin: 2px 0;
}

.hamburger:hover span {
    background: var(--primary);
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 15, 35, 0.97);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 107, 74, 0.2);
    background: linear-gradient(90deg, rgba(255, 107, 74, 0.1) 0%, transparent 100%);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
}

.mobile-logo span {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-nav {
    background: rgba(255, 107, 74, 0.1);
    border: 1px solid rgba(255, 107, 74, 0.3);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s ease;
}

.close-nav:hover {
    background: rgba(255, 107, 74, 0.2);
    transform: scale(1.1);
}

.mobile-nav-list {
    list-style: none;
    padding: 60px 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.mobile-nav-list li {
    transform: translateY(20px);
    opacity: 0;
    animation: slideInUp 0.6s ease forwards;
}

.mobile-nav-list li:nth-child(1) { animation-delay: 0.1s; }
.mobile-nav-list li:nth-child(2) { animation-delay: 0.2s; }
.mobile-nav-list li:nth-child(3) { animation-delay: 0.3s; }

.mobile-nav-list a {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mobile-nav-list a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 74, 0.1), transparent);
    transition: left 0.5s ease;
}

.mobile-nav-list a:hover::before {
    left: 100%;
}

.mobile-nav-list a:hover {
    color: var(--primary);
    background: rgba(255, 107, 74, 0.05);
    transform: scale(1.05);
}

@keyframes slideInUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.setup-section {
    text-align: center;
    margin-bottom: var(--section-gap);
}

.setup-hero {
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
}

.setup-hero h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.setup-hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.setup-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(255, 107, 74, 0.3);
}

.setup-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 74, 0.4);
}

.setup-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.step-card {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-radius: 16px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    transition: all 0.3s ease;
}

.step-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.dashboard {
    display: none;
}

.dashboard.active {
    display: block;
}

.dashboard > .glass-card {
    margin-bottom: var(--section-gap);
}

.dashboard > div:not(.glass-card) {
    margin-bottom: var(--section-gap);
}

.dashboard-hero {
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dashboard-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
}

.sync-options {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 6px 20px rgba(255, 107, 74, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 74, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 6px 20px rgba(6, 214, 160, 0.25);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(6, 214, 160, 0.35);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #FBBF24);
    color: white;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.25);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.35);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

/* SECTION ANALYTICS - Corrections importantes */
#analytics-section {
    margin-bottom: var(--section-gap);
}

#analytics-section.glass-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    padding: var(--spacing-xl);
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.chart-container {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    height: 350px;
    overflow: hidden;
    padding: var(--spacing-md);
}

.chart-container canvas {
    flex: 1;
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.heatmap-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 350px;
    padding: var(--spacing-lg);
}

.heatmap-card .heatmap-grid {
    display: grid;
    grid-template-columns: 60px repeat(7, 1fr);
    gap: 8px;
    align-items: center;
    padding: var(--spacing-md) 0;
    width: 100%;
    overflow: visible;
}

.heatmap-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    font-weight: 500;
    padding: 4px 2px;
    line-height: 1.2;
}

.heatmap-cell {
    width: 100%;
    aspect-ratio: 1;
    position: relative;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
    min-height: 24px;
    min-width: 24px;
}

.heatmap-cell:hover {
    transform: scale(1.15);
    z-index: 2;
}

.heatmap-cell[data-intensity="0"] { 
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}
.heatmap-cell[data-intensity="1"] { 
    background: rgba(6,214,160,0.3);
    border: 1px solid rgba(6,214,160,0.4);
}
.heatmap-cell[data-intensity="2"] { 
    background: rgba(6,214,160,0.5);
    border: 1px solid rgba(6,214,160,0.6);
}
.heatmap-cell[data-intensity="3"] { 
    background: rgba(6,214,160,0.7);
    border: 1px solid rgba(6,214,160,0.8);
}
.heatmap-cell[data-intensity="4"] { 
    background: rgba(6,214,160,0.9);
    border: 1px solid #06D6A0;
    box-shadow: 0 0 8px rgba(6,214,160,0.3);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.export-section {
    padding: var(--spacing-xl);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.export-presets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.preset-card {
    padding: var(--spacing-md);
    text-align: center;
    border-radius: 16px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.preset-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.preset-card:hover::before,
.preset-card.active::before {
    transform: scaleX(1);
}

.preset-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--glass-border);
    transform: translateY(-3px);
}

.preset-card.active {
    background: rgba(255, 107, 74, 0.1);
    border-color: var(--primary);
}

.preset-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.preset-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.preset-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ACTIVITIES SECTION - Corrections importantes */
.activities-section {
    /* Pas de styles particuliers ici maintenant */
}

.activities-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
}

.activities-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* CORRECTION MAJEURE - Activities Controls */
.activities-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: stretch; /* Assure la même hauteur */
    padding: 0; /* Reset padding */
}

.search-container {
    flex: 1;
    min-width: 0;
    max-width: 100%;
    position: relative; /* Ajout important pour le positionnement de l'icône */
}

.search-input {
    width: 100%;
    height: 52px; /* Hauteur fixe pour alignement */
    padding: 0 46px 0 16px;
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    background: var(--dark-card);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 18px;
    pointer-events: none;
}

.sort-container {
    flex-shrink: 0;
    min-width: 180px;
}

.sort-select {
    width: 100%;
    height: 52px; /* Même hauteur que search-input */
    padding: 0 16px;
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    background: var(--dark-card);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.activity-card {
    padding: var(--spacing-md);
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 16px;
    overflow: hidden;
}

.activity-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

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

.activity-info {
    flex: 1;
}

.activity-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.activity-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.activity-checkbox {
    position: relative;
    cursor: pointer;
    display: none;
    min-width: 28px;
    min-height: 28px;
    margin-left: var(--spacing-sm);
}

.activity-checkbox.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-checkbox input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
}

.checkbox-visual {
    width: 24px;
    height: 24px;
    border: 2px solid var(--dark-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    background: var(--dark-card);
    position: relative;
    z-index: 1;
}

.activity-checkbox:hover .checkbox-visual {
    border-color: var(--primary);
    background: rgba(255, 107, 74, 0.1);
}

.activity-checkbox input:checked + .checkbox-visual {
    background: var(--gradient-primary);
    border-color: var(--primary);
}

.activity-checkbox input:checked + .checkbox-visual::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
}

.activity-checkbox input:focus + .checkbox-visual {
    box-shadow: 0 0 0 2px rgba(255, 107, 74, 0.3);
}

.activity-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

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

.activity-stat-value {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.activity-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.activity-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.activity-tag {
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 6px;
    background: var(--dark-card);
    color: var(--text-secondary);
    border: 1px solid var(--dark-border);
}

.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--dark-border);
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.pagination-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--dark-border);
    background: var(--dark-card);
    color: var(--text-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 18px;
    font-weight: 600;
}

.pagination-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: var(--spacing-xs);
}

.page-number {
    width: 40px;
    height: 40px;
    border: 1px solid var(--dark-border);
    background: var(--dark-card);
    color: var(--text-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.page-number:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.page-number.active {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
    font-weight: 600;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.6;
}

.empty-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.sync-progress {
    margin: var(--spacing-lg) 0;
    display: none;
}

.sync-progress.show {
    display: block;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-card);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal.show {
    display: flex;
}

.modal-content {
    max-width: 600px;
    width: 100%;
    padding: var(--spacing-xl);
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

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

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

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    background: var(--dark-card);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 12px;
    margin: var(--spacing-sm) 0;
    border-left: 4px solid;
    backdrop-filter: blur(10px);
}

.alert-info {
    background: rgba(79, 70, 229, 0.1);
    border-left-color: var(--secondary);
    color: #C7D2FE;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success);
    color: #A7F3D0;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning);
    color: #FDE68A;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--error);
    color: #FECACA;
}

.toast {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    z-index: 9999;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
}

.code-block {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 8px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: #E55A42;
}

.setup-detailed {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    display: none;
}

.setup-detailed.show {
    display: block;
}

.setup-step {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border-radius: 16px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.step-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.step-number-detailed {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.step-title-detailed {
    font-size: 1.375rem;
    font-weight: 600;
}

.step-description-detailed {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* SUPPRESSION DES TRANSITIONS PROBLÉMATIQUES */
#stats-section,
#export-section,
#activities-section,
#analytics-section {
    /* Suppression des transitions qui causent des problèmes d'affichage */
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

/* MEDIA QUERIES - Corrections */
@media (max-width: 768px) {
    :root {
        --section-gap: 24px;
        --spacing-xl: 32px;
        --spacing-lg: 24px;
    }

    .hamburger {
        display: flex;
        position: relative;
        z-index: 1000;
    }

    .header-actions {
        display: none;
    }

    .container {
        padding: var(--spacing-md) var(--spacing-sm);
        padding-top: calc(var(--spacing-md) + 20px);
    }
    
    .header-content {
        padding: 0 var(--spacing-sm);
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .logo-text p {
        font-size: 0.75rem;
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .setup-hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .setup-hero h2 {
        font-size: 2.25rem;
    }
    
    .setup-hero p {
        font-size: 1.125rem;
    }
    
    .setup-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .dashboard-hero {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-icon {
        font-size: 2rem;
    }

    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 300px;
        padding: var(--spacing-md);
    }

    .heatmap-card .heatmap-grid {
        grid-template-columns: 50px repeat(7, 1fr);
        gap: 4px;
        padding: var(--spacing-sm);
    }
    
    .heatmap-cell {
        min-height: 20px;
        min-width: 20px;
    }
    
    .heatmap-label {
        font-size: 0.65rem;
        padding: 2px 1px;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
    }

    /* CORRECTION MAJEURE MOBILE - Activities Controls */
    .activities-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }

    .search-container {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }

    .sort-container {
        width: 100%;
        min-width: 100%;
    }

    .pagination-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .page-numbers {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .export-presets {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .preset-card {
        padding: var(--spacing-sm);
    }
    
    .preset-icon {
        font-size: 1.5rem;
    }
    
    .hero-actions {
        gap: var(--spacing-sm);
    }

    .sync-options {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 16px 24px;
    }
    
    .activity-card {
        padding: var(--spacing-sm);
    }
    
    .activity-stats {
        gap: var(--spacing-xs);
    }
    
    .activity-stat-value {
        font-size: 1.25rem;
    }
    
    .modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
    }
    
    .setup-detailed {
        padding: var(--spacing-md);
    }
    
    .setup-step {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .export-section,
    .activities-section .glass-card {
        padding: var(--spacing-md);
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .activity-checkbox {
        min-width: 32px;
        min-height: 32px;
    }
    
    .checkbox-visual {
        width: 24px;
        height: 24px;
    }
    
    .preset-card,
    .activity-card,
    .btn {
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .setup-hero h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .export-presets {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        text-align: left;
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .stat-content {
        flex: 1;
    }
    
    .activities-header {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }

    .chart-container {
        height: 250px;
    }
}

@supports (-webkit-touch-callout: none) {
    .activity-checkbox input {
        -webkit-appearance: none;
        appearance: none;
    }
    
    .btn {
        -webkit-tap-highlight-color: transparent;
    }
    
    .glass-card {
        -webkit-backdrop-filter: blur(20px);
    }
}