/* ==========================================
   FRANCOPHILE.CH - Styles v8
   Design vibrant & gamifié pour ados
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Source+Serif+4:wght@400;600&display=swap');

:root {
    --primary: #6366f1; --primary-dark: #4f46e5; --primary-light: #a5b4fc; --primary-bg: #eef2ff;
    --secondary: #8b5cf6; --secondary-dark: #7c3aed; --secondary-light: #c4b5fd; --secondary-bg: #f5f3ff;
    --accent: #06b6d4; --accent-dark: #0891b2; --accent-light: #67e8f9; --accent-bg: #ecfeff;
    --pink: #ec4899; --pink-light: #fbcfe8; --pink-dark: #db2777;
    --orange: #f97316; --orange-light: #fed7aa; --orange-dark: #ea580c;
    --lime: #84cc16; --lime-light: #d9f99d; --lime-dark: #65a30d;
    --success: #10b981; --success-light: #d1fae5; --success-dark: #059669;
    --warning: #f59e0b; --warning-light: #fef3c7; --warning-dark: #d97706;
    --error: #ef4444; --error-light: #fee2e2; --error-dark: #dc2626;
    --info: #3b82f6; --info-light: #dbeafe;
    --gray-50: #f8fafc; --gray-100: #f1f5f9; --gray-200: #e2e8f0; --gray-300: #cbd5e1;
    --gray-400: #94a3b8; --gray-500: #64748b; --gray-600: #475569; --gray-700: #334155;
    --gray-800: #1e293b; --gray-900: #0f172a;
    --font-main: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Source Serif 4', Georgia, serif;
    --spacing-xs: 0.25rem; --spacing-sm: 0.5rem; --spacing-md: 1rem; --spacing-lg: 1.5rem;
    --spacing-xl: 2rem; --spacing-2xl: 3rem; --spacing-3xl: 4rem;
    --radius-sm: 0.5rem; --radius-md: 0.75rem; --radius-lg: 1rem; --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem; --radius-3xl: 2rem; --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 15px 40px rgba(0,0,0,0.12);
    --shadow-glow-primary: 0 4px 20px rgba(99,102,241,0.3);
    --shadow-glow-success: 0 4px 20px rgba(16,185,129,0.3);
    --shadow-glow-pink: 0 4px 20px rgba(236,72,153,0.3);
    --transition-fast: 150ms cubic-bezier(0.4,0,0.2,1);
    --transition-normal: 300ms cubic-bezier(0.4,0,0.2,1);
    --transition-bounce: 500ms cubic-bezier(0.34,1.56,0.64,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-main); font-size: 1rem; line-height: 1.65; color: var(--gray-800);
    background: var(--gray-50); min-height: 100vh; display: flex; flex-direction: column; position: relative;
}
body::before {
    content: ''; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: -1; pointer-events: none;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99,102,241,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139,92,246,0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 10%, rgba(6,182,212,0.04) 0%, transparent 40%),
        radial-gradient(ellipse at 10% 90%, rgba(236,72,153,0.03) 0%, transparent 40%);
}
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-lg); }
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.25; color: var(--gray-900); letter-spacing: -0.01em; }
h1 { font-size: 2rem; margin-bottom: var(--spacing-lg); }
h2 { font-size: 1.625rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-md); }
h4 { font-size: 1.1rem; margin-bottom: var(--spacing-sm); }
p { margin-bottom: var(--spacing-md); }
a { color: var(--primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary-dark); }
strong { font-weight: 700; }

/* === HEADER === */
.main-header {
    background: var(--gray-900); padding: 0.6rem 0;
    position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.main-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-md); }
.logo { display: flex; align-items: center; gap: var(--spacing-sm); font-size: 1.3rem; font-weight: 900; color: white; text-decoration: none; }
.logo:hover { color: var(--primary-light); }
.logo-icon { font-size: 1.4rem; }
.logo-text { background: linear-gradient(135deg, #a5b4fc, #c4b5fd, #67e8f9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.main-nav { display: flex; gap: 0.2rem; }
.main-nav a { padding: 0.45rem 0.85rem; border-radius: var(--radius-md); color: var(--gray-400); font-weight: 600; font-size: 0.875rem; transition: all var(--transition-fast); text-decoration: none; }
.main-nav a:hover { background: rgba(255,255,255,0.08); color: white; }
.main-nav a.active { background: var(--primary); color: white; box-shadow: var(--shadow-glow-primary); }
.user-menu { display: flex; align-items: center; gap: var(--spacing-md); }
.user-name { font-weight: 600; color: var(--gray-300); font-size: 0.875rem; }
.user-badge { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; padding: 0.15rem 0.6rem; border-radius: var(--radius-full); font-size: 0.7rem; font-weight: 700; margin-left: 0.25rem; }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: var(--spacing-sm); }
.mobile-menu-toggle span { width: 20px; height: 2px; background: var(--gray-300); border-radius: 2px; transition: all var(--transition-fast); }

/* === MAIN & FOOTER === */
.main-content { flex: 1; padding: var(--spacing-xl) 0 var(--spacing-3xl); }
.main-footer { background: var(--gray-900); color: var(--gray-400); padding: var(--spacing-xl) 0; margin-top: auto; border-top: 1px solid rgba(255,255,255,0.05); }
.main-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--spacing-md); }
.footer-brand { display: flex; align-items: center; gap: var(--spacing-sm); font-size: 1rem; font-weight: 800; color: white; }
.footer-tagline { font-size: 0.8rem; margin-bottom: 0.15rem; }
.footer-copyright { font-size: 0.75rem; color: var(--gray-500); }
.footer-content { display: flex; flex-direction: column; gap: 0.25rem; }
.footer-links { display: flex; gap: var(--spacing-lg); }
.footer-links a { color: var(--gray-500); font-size: 0.85rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--primary-light); }

/* === CARDS === */
.card { background: white; border-radius: var(--radius-2xl); box-shadow: var(--shadow-md); border: 1px solid var(--gray-100); overflow: hidden; transition: transform var(--transition-normal), box-shadow var(--transition-normal); }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-header { padding: var(--spacing-md) var(--spacing-xl); border-bottom: 1px solid var(--gray-100); background: var(--gray-50); }
.card-header h3 { margin: 0; }
.card-title { font-size: 1rem; font-weight: 800; color: var(--gray-800); margin: 0; }
.card-body { padding: var(--spacing-lg) var(--spacing-xl); }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-sm); padding: 0.65rem 1.4rem; font-size: 0.9375rem; font-weight: 700; font-family: var(--font-main); border-radius: var(--radius-xl); border: none; cursor: pointer; transition: all var(--transition-fast); text-decoration: none; position: relative; overflow: hidden; }
.btn::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 60%); pointer-events: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; box-shadow: var(--shadow-glow-primary); }
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-light), var(--primary)); color: white; box-shadow: 0 6px 25px rgba(99,102,241,0.4); transform: translateY(-2px); }
.btn-secondary { background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)); color: white; box-shadow: 0 4px 15px rgba(139,92,246,0.3); }
.btn-secondary:hover { background: linear-gradient(135deg, var(--secondary-light), var(--secondary)); color: white; transform: translateY(-2px); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: white; }
.btn-success { background: linear-gradient(135deg, var(--success), var(--success-dark)); color: white; box-shadow: var(--shadow-glow-success); }
.btn-outline { background: white; border: 2px solid var(--gray-200); color: var(--gray-700); }
.btn-outline::after { display: none; }
.btn-outline:hover { background: var(--gray-50); border-color: var(--primary); color: var(--primary); }
.btn-small { padding: 0.35rem 0.8rem; font-size: 0.8rem; border-radius: var(--radius-md); }
.btn-large { padding: 0.9rem 2rem; font-size: 1.05rem; border-radius: var(--radius-2xl); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.btn:active:not(:disabled) { transform: scale(0.97); }

/* === FORMS === */
.form-group { margin-bottom: var(--spacing-lg); }
.form-label { display: block; margin-bottom: var(--spacing-sm); font-weight: 700; font-size: 0.875rem; color: var(--gray-700); }
.form-input, .form-select, .form-textarea { width: 100%; padding: 0.75rem 1rem; font-size: 1rem; font-family: var(--font-main); border: 2px solid var(--gray-200); border-radius: var(--radius-lg); background: white; color: var(--gray-900); transition: all var(--transition-fast); }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99,102,241,0.1); }
.form-input::placeholder { color: var(--gray-400); }
.form-hint { font-size: 0.8rem; color: var(--gray-500); margin-top: var(--spacing-xs); }
.form-error { color: var(--error); font-size: 0.8rem; margin-top: var(--spacing-xs); }
.form-checkbox { display: flex; align-items: center; gap: var(--spacing-sm); cursor: pointer; padding: 0.4rem 0.5rem; border-radius: var(--radius-md); transition: background var(--transition-fast); }
.form-checkbox:hover { background: var(--primary-bg); }
.form-checkbox input[type="checkbox"], .form-checkbox input[type="radio"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; }
.form-checkbox span { font-size: 0.875rem; color: var(--gray-700); }

/* === ALERTS === */
.alert { padding: var(--spacing-md) var(--spacing-lg); border-radius: var(--radius-xl); margin-bottom: var(--spacing-lg); font-weight: 600; font-size: 0.9375rem; border-left: 4px solid; }
.alert-success { background: var(--success-light); color: #065f46; border-left-color: var(--success); }
.alert-error { background: var(--error-light); color: #991b1b; border-left-color: var(--error); }
.alert-warning { background: var(--warning-light); color: #92400e; border-left-color: var(--warning); }
.alert-info { background: var(--info-light); color: #1e40af; border-left-color: var(--info); }

/* === BADGES === */
.badge { display: inline-flex; align-items: center; padding: 0.2rem 0.7rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 700; }
.badge-success { background: var(--success-light); color: var(--success-dark); }
.badge-warning { background: var(--warning-light); color: var(--warning-dark); }
.badge-error { background: var(--error-light); color: var(--error-dark); }
.badge-outline { background: transparent; border: 1.5px solid var(--gray-300); color: var(--gray-600); }
.badge-gold { background: linear-gradient(135deg, #fde68a, #fbbf24); color: #78350f; box-shadow: 0 2px 8px rgba(251,191,36,0.3); }
.badge-silver { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #1e293b; }
.badge-bronze { background: linear-gradient(135deg, #d6a77a, #b97d4b); color: #451a03; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* === PROGRESS === */
.progress { height: 0.6rem; background: var(--gray-200); border-radius: var(--radius-full); overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: var(--radius-full); transition: width 0.6s cubic-bezier(0.34,1.56,0.64,1); position: relative; }
.progress-bar::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,0.25) 0%, transparent 100%); border-radius: var(--radius-full); }
.progress-bar.success { background: linear-gradient(90deg, var(--success), #34d399); }
.progress-bar.warning { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.progress-bar.error { background: linear-gradient(90deg, var(--error), #f87171); }

/* === TABLES === */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 0.7rem var(--spacing-md); text-align: left; border-bottom: 1px solid var(--gray-100); font-size: 0.9rem; }
.table th { font-weight: 800; color: var(--gray-500); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.06em; }
.table tbody tr { transition: background var(--transition-fast); }
.table tbody tr:hover { background: var(--primary-bg); }

/* === GRID === */
.grid { display: grid; gap: var(--spacing-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { justify-content: center; align-items: center; }
.flex-between { justify-content: space-between; align-items: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* === STATS (gamified) === */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--spacing-md); }
.stat-card { background: white; border-radius: var(--radius-2xl); padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md); box-shadow: var(--shadow); border: 1px solid var(--gray-100); position: relative; overflow: hidden; transition: all var(--transition-bounce); }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 4px 4px 0 0; }
.stat-card:nth-child(1)::before { background: linear-gradient(90deg, #fbbf24, #f97316); }
.stat-card:nth-child(2)::before { background: linear-gradient(90deg, #10b981, #06b6d4); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, #6366f1, #8b5cf6); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, #ec4899, #f43f5e); }
.stat-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-lg); }
.stat-icon { font-size: 1.6rem; margin-bottom: var(--spacing-xs); }
.stat-value { font-size: 1.75rem; font-weight: 900; color: var(--gray-900); line-height: 1.1; }
.stat-label { font-size: 0.8rem; color: var(--gray-500); font-weight: 600; margin-top: 0.2rem; }

/* === WELCOME BANNER === */
.welcome-banner { background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 40%, #ec4899 70%, #f97316 100%); color: white; padding: var(--spacing-2xl); border-radius: var(--radius-3xl); margin-bottom: var(--spacing-xl); position: relative; overflow: hidden; }
.welcome-banner::before { content: ''; position: absolute; top: -40%; right: -10%; width: 350px; height: 350px; background: rgba(255,255,255,0.08); border-radius: 50%; animation: float 6s ease-in-out infinite; }
.welcome-banner::after { content: ''; position: absolute; bottom: -30%; left: 10%; width: 200px; height: 200px; background: rgba(255,255,255,0.05); border-radius: 50%; animation: float 8s ease-in-out infinite reverse; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-20px) rotate(5deg); } }
.welcome-banner h1 { color: white; font-size: 1.75rem; margin-bottom: var(--spacing-sm); position: relative; z-index: 1; }
.welcome-banner p { color: rgba(255,255,255,0.9); font-size: 1.05rem; font-weight: 500; margin-bottom: 0; position: relative; z-index: 1; }

/* === QUICK ACTIONS === */
.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-md); margin-bottom: var(--spacing-xl); }
.quick-action { display: flex; flex-direction: column; align-items: center; padding: var(--spacing-xl) var(--spacing-md); border-radius: var(--radius-2xl); text-align: center; transition: all var(--transition-bounce); text-decoration: none; border: 2px solid transparent; position: relative; overflow: hidden; }
.quick-action::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, transparent 100%); pointer-events: none; }
.quick-action:hover { transform: translateY(-6px) scale(1.03); box-shadow: var(--shadow-xl); }
.quick-action-icon { font-size: 2.2rem; margin-bottom: var(--spacing-sm); width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-xl); transition: transform var(--transition-bounce); }
.quick-action:hover .quick-action-icon { transform: scale(1.15) rotate(-5deg); }
.quick-action-title { font-weight: 800; font-size: 0.95rem; margin-bottom: 0.15rem; }
.quick-action-desc { font-size: 0.78rem; opacity: 0.75; font-weight: 500; }
.quick-action.parcours-qa { background: linear-gradient(145deg, #dbeafe, #c7d2fe); color: #3730a3; }
.quick-action.parcours-qa:hover { border-color: var(--primary); }
.quick-action.parcours-qa .quick-action-icon { background: rgba(99,102,241,0.12); }
.quick-action.conjugaison { background: linear-gradient(145deg, #e0e7ff, #ede9fe); color: var(--secondary-dark); }
.quick-action.conjugaison:hover { border-color: var(--secondary-light); }
.quick-action.conjugaison .quick-action-icon { background: rgba(139,92,246,0.12); }
.quick-action.orthographe { background: linear-gradient(145deg, #fce7f3, #fbcfe8); color: var(--pink-dark); }
.quick-action.orthographe:hover { border-color: var(--pink); }
.quick-action.orthographe .quick-action-icon { background: rgba(236,72,153,0.12); }
.quick-action.progression { background: linear-gradient(145deg, #d1fae5, #a7f3d0); color: var(--success-dark); }
.quick-action.progression:hover { border-color: var(--success); }
.quick-action.progression .quick-action-icon { background: rgba(16,185,129,0.12); }
.quick-action.badges-card { background: linear-gradient(145deg, #fef3c7, #fde68a); color: #92400e; }
.quick-action.badges-card:hover { border-color: var(--warning); }
.quick-action.badges-card .quick-action-icon { background: rgba(245,158,11,0.12); }

/* === EXERCICE PLAYER === */
.exercice-container { max-width: 800px; margin: 0 auto; }
.exercice-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-lg); }
.exercice-progress { display: flex; align-items: center; gap: var(--spacing-md); }
.exercice-counter { font-weight: 800; color: var(--gray-600); font-size: 0.9rem; }
.exercice-card { background: white; border-radius: var(--radius-3xl); box-shadow: var(--shadow-xl); padding: var(--spacing-2xl); border: 1px solid var(--gray-100); }
.exercice-question { font-size: 1.4rem; font-family: var(--font-serif); text-align: center; margin-bottom: var(--spacing-xl); line-height: 1.7; color: var(--gray-900); }
.exercice-question .blank { display: inline-block; min-width: 120px; border-bottom: 3px solid var(--primary); margin: 0 var(--spacing-xs); background: var(--primary-bg); border-radius: 6px 6px 0 0; padding: 0.1rem 0.5rem; }
.exercice-indication { text-align: center; color: var(--gray-500); font-style: italic; margin-bottom: var(--spacing-lg); }
.exercice-input { max-width: 400px; margin: 0 auto var(--spacing-lg); }
.exercice-input input { text-align: center; font-size: 1.2rem; padding: var(--spacing-md); font-weight: 600; }
.exercice-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); max-width: 520px; margin: 0 auto var(--spacing-lg); }
.exercice-option { padding: var(--spacing-md) var(--spacing-lg); border: 2.5px solid var(--gray-200); border-radius: var(--radius-xl); background: white; cursor: pointer; font-size: 1.05rem; font-weight: 700; font-family: var(--font-main); text-align: center; transition: all var(--transition-fast); }
.exercice-option:hover { border-color: var(--primary-light); background: var(--primary-bg); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.exercice-option.selected { border-color: var(--primary); background: var(--primary); color: white; box-shadow: var(--shadow-glow-primary); transform: scale(1.02); }
.exercice-option.correct { border-color: var(--success); background: var(--success); color: white; animation: pulse-success 0.4s ease; }
.exercice-option.incorrect { border-color: var(--error); background: var(--error); color: white; animation: shake 0.4s ease; }
@keyframes pulse-success { 0% { transform: scale(1); } 50% { transform: scale(1.06); } 100% { transform: scale(1); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.exercice-feedback { text-align: center; padding: var(--spacing-lg); border-radius: var(--radius-xl); margin-bottom: var(--spacing-lg); font-weight: 600; }
.exercice-feedback.correct { background: var(--success-light); color: #065f46; }
.exercice-feedback.incorrect { background: var(--error-light); color: #991b1b; }
.exercice-feedback .feedback-icon { font-size: 2.5rem; margin-bottom: var(--spacing-sm); display: block; }
.exercice-actions { display: flex; justify-content: center; gap: var(--spacing-md); }

/* Exercise type badge */
.exercice-type-badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; background: var(--primary-bg); color: var(--primary); margin-bottom: var(--spacing-md); }
.exercice-consigne { text-align: center; font-weight: 700; color: var(--secondary-dark); font-size: 1.1rem; margin-bottom: var(--spacing-md); padding: var(--spacing-sm) var(--spacing-md); background: var(--secondary-bg); border-radius: var(--radius-lg); }

/* Streak display */
.streak-display { text-align: center; font-size: 1.2rem; font-weight: 900; min-height: 1.5em; transition: all var(--transition-bounce); opacity: 0; transform: scale(0.5); }
.streak-display.active { opacity: 1; transform: scale(1); }
.streak-msg { font-size: 1rem; font-weight: 800; color: var(--orange); margin-top: var(--spacing-sm); animation: pulse-success 0.5s ease; }

/* Timer */
.exercice-timer { margin: var(--spacing-md) 0; height: 6px; background: var(--gray-100); border-radius: var(--radius-full); overflow: hidden; }
.timer-bar { height: 100%; background: var(--success); border-radius: var(--radius-full); transition: width 0.1s linear, background 0.3s; }
.timer-bar.timer-warning { background: var(--warning); }
.timer-bar.timer-danger { background: var(--error); animation: pulse-success 0.5s infinite; }

/* Feedback enhanced */
.feedback-text { font-size: 1.1rem; font-weight: 700; }
.feedback-answer { margin-top: var(--spacing-sm); font-size: 0.95rem; }
.feedback-explanation { margin-top: var(--spacing-sm); font-size: 0.85rem; color: var(--gray-500); font-style: italic; }

/* === DRAG & DROP === */
.drag-zone { min-height: 60px; padding: var(--spacing-md); border-radius: var(--radius-xl); display: flex; flex-wrap: wrap; gap: var(--spacing-sm); align-items: center; transition: all var(--transition-fast); }
.drag-source { background: var(--gray-50); border: 2px dashed var(--gray-300); justify-content: center; }
.drag-target { background: var(--primary-bg); border: 2px dashed var(--primary-light); min-height: 70px; justify-content: center; }
.drag-zone.drag-over { border-color: var(--primary); background: rgba(99,102,241,0.08); box-shadow: var(--shadow-glow-primary); }
.drag-item { padding: 0.5rem 1rem; background: white; border: 2px solid var(--gray-200); border-radius: var(--radius-lg); font-weight: 700; font-size: 0.95rem; cursor: grab; user-select: none; transition: all var(--transition-fast); box-shadow: var(--shadow-sm); }
.drag-item:hover { border-color: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.drag-item.dragging { opacity: 0.4; transform: scale(0.95); }
@keyframes dragBounce { 0% { transform: scale(0.8); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }
.drag-item.drag-bounce { animation: dragBounce 0.3s ease; }
.drag-arrow { text-align: center; color: var(--gray-400); font-weight: 600; font-size: 0.85rem; padding: var(--spacing-sm) 0; }

/* Category boxes */
.category-targets { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-md); margin-top: var(--spacing-md); }
.category-box { background: white; border-radius: var(--radius-xl); border: 1px solid var(--gray-200); overflow: hidden; }
.category-label { padding: 0.5rem var(--spacing-md); background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; font-weight: 800; font-size: 0.85rem; text-align: center; }
.category-drop { min-height: 80px; border: none; border-radius: 0; background: var(--gray-50); }

/* === VRAI / FAUX === */
.vf-buttons { display: flex; justify-content: center; gap: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.vf-btn { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-sm); padding: var(--spacing-lg) var(--spacing-2xl); border: 3px solid var(--gray-200); border-radius: var(--radius-2xl); background: white; cursor: pointer; font-family: var(--font-main); font-weight: 700; font-size: 1rem; transition: all var(--transition-fast); min-width: 140px; }
.vf-icon { font-size: 2rem; }
.vf-vrai:hover { border-color: var(--success-light); background: var(--success-light); }
.vf-faux:hover { border-color: var(--error-light); background: var(--error-light); }
.vf-btn.selected.vf-vrai, .vf-btn.correct { border-color: var(--success); background: var(--success); color: white; box-shadow: var(--shadow-glow-success); }
.vf-btn.selected.vf-faux, .vf-btn.incorrect { border-color: var(--error); background: var(--error); color: white; }
.vf-correction { max-width: 500px; margin: 0 auto var(--spacing-lg); }

/* === TRANSFORMATION === */
.transformation-source { background: var(--gray-50); border: 2px solid var(--gray-200); border-radius: var(--radius-xl); padding: var(--spacing-md) var(--spacing-lg); font-size: 1.2rem; }
.transformation-arrow { text-align: center; font-size: 2rem; color: var(--primary); font-weight: 900; padding: var(--spacing-sm) 0; }
.transformation-input { font-family: var(--font-serif); font-size: 1.1rem; text-align: center; resize: none; }

/* === INTRUS === */
.intrus-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--spacing-md); max-width: 600px; margin: 0 auto var(--spacing-lg); }
.intrus-item { padding: var(--spacing-md) var(--spacing-lg); border: 2.5px solid var(--gray-200); border-radius: var(--radius-xl); background: white; cursor: pointer; font-size: 1.05rem; font-weight: 700; font-family: var(--font-main); text-align: center; transition: all var(--transition-fast); }
.intrus-item:hover { border-color: var(--pink-light); background: rgba(236,72,153,0.05); transform: translateY(-2px); }
.intrus-item.selected { border-color: var(--pink); background: var(--pink); color: white; box-shadow: var(--shadow-glow-pink); transform: scale(1.02); }
.intrus-item.correct { border-color: var(--success); background: var(--success); color: white; }
.intrus-item.incorrect { border-color: var(--error); background: var(--error); color: white; }

/* === MULTI-TROUS === */
.multi-trous-text { font-family: var(--font-serif); font-size: 1.15rem; line-height: 2.2; text-align: left; margin-bottom: var(--spacing-lg); padding: var(--spacing-lg); background: white; border-radius: var(--radius-xl); border: 1px solid var(--gray-100); }
.multi-trou-slot { display: inline-block; vertical-align: baseline; }
.multi-trou-input { width: 100px; padding: 0.2rem 0.5rem; border: none; border-bottom: 2.5px solid var(--primary); background: var(--primary-bg); font-family: var(--font-main); font-weight: 700; font-size: 1rem; text-align: center; border-radius: 4px 4px 0 0; outline: none; transition: border-color var(--transition-fast); }
.multi-trou-input:focus { border-color: var(--secondary); background: var(--secondary-bg); }
.multi-trou-slot.correct .multi-trou-input { border-color: var(--success); background: var(--success-light); }
.multi-trou-slot.incorrect .multi-trou-input { border-color: var(--error); background: var(--error-light); text-decoration: line-through; }
.trou-correction { display: block; font-size: 0.8rem; color: var(--success-dark); font-weight: 700; }
.multi-trous-wordbank { padding: var(--spacing-md); background: var(--gray-50); border-radius: var(--radius-lg); margin-bottom: var(--spacing-lg); }
.wordbank-label { font-size: 0.8rem; font-weight: 700; color: var(--gray-500); margin-bottom: var(--spacing-sm); text-transform: uppercase; letter-spacing: 0.05em; }
.wordbank-items { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }
.wordbank-item { padding: 0.3rem 0.75rem; background: white; border: 1.5px solid var(--gray-200); border-radius: var(--radius-md); font-weight: 600; font-size: 0.9rem; }

/* === RESULTS === */
.results-card { text-align: center; padding: var(--spacing-2xl); }
.results-emoji { font-size: 4rem; margin-bottom: var(--spacing-md); }
.results-title { font-size: 1.5rem; font-weight: 900; margin-bottom: var(--spacing-md); }
.results-score { font-size: 3.5rem; font-weight: 900; margin-bottom: var(--spacing-lg); }
.results-details { display: flex; justify-content: center; gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); flex-wrap: wrap; }
.results-detail { font-size: 1rem; font-weight: 600; color: var(--gray-600); }
.results-detail span { margin-right: 0.3rem; }
.results-levelup { background: var(--warning-light); color: #92400e; padding: var(--spacing-md); border-radius: var(--radius-xl); font-weight: 800; margin-bottom: var(--spacing-lg); animation: pulse-success 0.6s ease; }
.results-actions { display: flex; justify-content: center; gap: var(--spacing-md); }

/* Notification toast */
.notification-toast { position: fixed; bottom: -60px; left: 50%; transform: translateX(-50%); z-index: 9999; padding: 0.75rem 1.5rem; border-radius: var(--radius-xl); font-weight: 700; box-shadow: var(--shadow-xl); transition: bottom 0.3s ease; }
.notification-toast.show { bottom: 2rem; }

/* === LOGIN === */
.login-page { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 200px); padding: var(--spacing-xl); }
.login-container { width: 100%; max-width: 440px; }
.login-card { background: white; border-radius: var(--radius-3xl); box-shadow: var(--shadow-xl); padding: var(--spacing-2xl); border: 1px solid var(--gray-100); }
.login-header { text-align: center; margin-bottom: var(--spacing-xl); }
.login-header .logo-icon { font-size: 3rem; display: block; margin-bottom: var(--spacing-md); }
.login-tabs { display: flex; margin-bottom: var(--spacing-xl); background: var(--gray-100); border-radius: var(--radius-lg); padding: 0.25rem; }
.login-tab { flex: 1; padding: 0.6rem; text-align: center; font-weight: 700; font-size: 0.85rem; color: var(--gray-500); cursor: pointer; border-radius: var(--radius-md); transition: all var(--transition-fast); }
.login-tab:hover { color: var(--gray-700); }
.login-tab.active { background: white; color: var(--primary); box-shadow: var(--shadow-sm); }
.login-form { display: none; }
.login-form.active { display: block; }

/* === PARCOURS === */
.parcours-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--spacing-lg); }
.parcours-card { background: white; border-radius: var(--radius-2xl); box-shadow: var(--shadow); border: 2px solid var(--gray-100); padding: var(--spacing-xl); transition: all var(--transition-bounce); text-decoration: none; color: var(--gray-800); display: block; position: relative; overflow: hidden; }
.parcours-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; }
.parcours-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.parcours-card .parcours-icon { font-size: 2rem; margin-bottom: var(--spacing-sm); }
.parcours-card .parcours-name { font-weight: 800; font-size: 1.05rem; margin-bottom: var(--spacing-xs); color: var(--gray-900); }
.parcours-card .parcours-desc { font-size: 0.85rem; color: var(--gray-500); margin-bottom: var(--spacing-md); line-height: 1.5; }
.parcours-timeline { display: flex; flex-direction: column; gap: var(--spacing-md); }
.timeline-level { display: flex; align-items: center; gap: var(--spacing-md); padding: var(--spacing-md); border-radius: var(--radius-xl); background: var(--gray-50); border: 2px solid var(--gray-100); transition: all var(--transition-fast); }
.timeline-level.unlocked { border-color: var(--primary-light); background: var(--primary-bg); }
.timeline-level.completed { border-color: var(--success); background: var(--success-light); }
.timeline-level.locked { opacity: 0.55; }
.timeline-level-num { width: 40px; height: 40px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 0.95rem; flex-shrink: 0; }
.timeline-level.locked .timeline-level-num { background: var(--gray-200); color: var(--gray-500); }
.timeline-level.unlocked .timeline-level-num { background: var(--primary); color: white; box-shadow: var(--shadow-glow-primary); }
.timeline-level.completed .timeline-level-num { background: var(--success); color: white; box-shadow: var(--shadow-glow-success); }
.timeline-level-info { flex: 1; }
.timeline-level-title { font-weight: 800; font-size: 0.95rem; color: var(--gray-800); }
.timeline-level-meta { font-size: 0.8rem; color: var(--gray-500); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
    h1 { font-size: 1.5rem; } h2 { font-size: 1.3rem; }
    .container { padding: 0 var(--spacing-md); }
    .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--gray-900); flex-direction: column; padding: var(--spacing-md); border-bottom: 2px solid rgba(255,255,255,0.1); box-shadow: var(--shadow-xl); }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 0.7rem var(--spacing-md); }
    .mobile-menu-toggle { display: flex; }
    .user-menu { display: none; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .exercice-options { grid-template-columns: 1fr; }
    .exercice-card { padding: var(--spacing-lg); border-radius: var(--radius-2xl); }
    .exercice-question { font-size: 1.2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-actions { grid-template-columns: repeat(2, 1fr); }
    .welcome-banner { padding: var(--spacing-xl); border-radius: var(--radius-2xl); }
    .welcome-banner h1 { font-size: 1.4rem; }
    .card-body { padding: var(--spacing-md); }
    .card-header { padding: var(--spacing-md); }
}
@media (max-width: 480px) { .stats-grid, .quick-actions { grid-template-columns: 1fr; } .parcours-grid { grid-template-columns: 1fr; } }

/* === UTILITIES === */
.text-center { text-align: center; } .text-right { text-align: right; }
.text-muted { color: var(--gray-500); } .text-small { font-size: 0.875rem; }
.text-large { font-size: 1.125rem; }
.mb-0 { margin-bottom: 0; } .mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); } .mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-0 { margin-top: 0; } .mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); } .mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); } .ml-sm { margin-left: var(--spacing-sm); }
.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--secondary), var(--pink)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* === ANIMATIONS === */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.fade-in { animation: fadeInUp 0.5s cubic-bezier(0.4,0,0.2,1) both; }
.fade-in:nth-child(2) { animation-delay: 0.08s; }
.fade-in:nth-child(3) { animation-delay: 0.16s; }
.fade-in:nth-child(4) { animation-delay: 0.24s; }
.stats-grid .stat-card { animation: fadeInUp 0.4s cubic-bezier(0.4,0,0.2,1) both; }
.stats-grid .stat-card:nth-child(1) { animation-delay: 0.05s; }
.stats-grid .stat-card:nth-child(2) { animation-delay: 0.1s; }
.stats-grid .stat-card:nth-child(3) { animation-delay: 0.15s; }
.stats-grid .stat-card:nth-child(4) { animation-delay: 0.2s; }
.quick-actions .quick-action { animation: fadeInUp 0.4s cubic-bezier(0.4,0,0.2,1) both; }
.quick-actions .quick-action:nth-child(1) { animation-delay: 0.05s; }
.quick-actions .quick-action:nth-child(2) { animation-delay: 0.1s; }
.quick-actions .quick-action:nth-child(3) { animation-delay: 0.15s; }
.quick-actions .quick-action:nth-child(4) { animation-delay: 0.2s; }
.quick-actions .quick-action:nth-child(5) { animation-delay: 0.25s; }
@keyframes scorePopIn { 0% { transform: scale(0); opacity: 0; } 70% { transform: scale(1.15); } 100% { transform: scale(1); opacity: 1; } }
.score-pop { animation: scorePopIn 0.5s cubic-bezier(0.34,1.56,0.64,1); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }