/* ============================================
   TIME'S UP! - STYLES PRINCIPAUX
   Design moderne et responsive pour jeu d'ambiance
   ============================================ */

/* === VARIABLES CSS === */
:root {
    /* Couleurs principales */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Couleurs manches */
    --round-1-color: #10b981;
    --round-2-color: #f59e0b;
    --round-3-color: #ef4444;
    
    /* Couleurs neutres */
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typographie */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Fredoka', cursive;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Mode Sombre */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.4);
}

/* === RESET ET BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

/* === HEADER === */
.main-header {
    background: var(--surface-color);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.main-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.theme-toggle,
.lang-toggle {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.theme-toggle:hover,
.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

/* === BOUTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #db2777);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--surface-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
}

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

/* === HERO SECTION === */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    margin-bottom: var(--spacing-xl);
}

.hero-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    min-width: 120px;
}

.feature i {
    font-size: 2rem;
    color: var(--primary-color);
}

.feature span {
    font-weight: 600;
    color: var(--text-primary);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* === GAME PREVIEW === */
.game-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.preview-card {
    background: var(--surface-color);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.preview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.round-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: 12px;
    font-weight: 600;
}

.round-1 {
    background: rgba(16, 185, 129, 0.1);
    color: var(--round-1-color);
}

.round-2 {
    background: rgba(245, 158, 11, 0.1);
    color: var(--round-2-color);
}

.round-3 {
    background: rgba(239, 68, 68, 0.1);
    color: var(--round-3-color);
}

.round-emoji {
    font-size: 1.5rem;
}

.round-text {
    font-size: 1rem;
}

.preview-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === HOW TO PLAY === */
.how-to-play {
    padding: var(--spacing-xl) 0;
    background: var(--surface-color);
}

.how-to-play h3 {
    text-align: center;
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
    color: var(--primary-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-color);
    border-radius: 20px;
    position: relative;
    transition: all var(--transition-base);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.step h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === FOOTER === */
.main-footer {
    background: var(--surface-color);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
}

.main-footer p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* === CARDS ET SURFACES === */
.card {
    background: var(--surface-color);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

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

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* === UTILITAIRES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.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); }

.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); }

.hidden { display: none !important; }
.visible { display: block !important; }