/* ============================================
   VARIABLES CSS - THÈME 1XBET (BLEU) & MELBET (JAUNE)
   ============================================ */
:root {
    /* Couleurs 1xBet (Bleu par défaut) */
    --primary-color: #1e40ff;
    --primary-light: #4d6cff;
    --primary-dark: #0a1f8f;
    --secondary-color: #00d4ff;
    --accent-color: #ff3d71;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40ff 0%, #00d4ff 100%);
    --gradient-secondary: linear-gradient(135deg, #4d6cff 0%, #1e40ff 100%);
    --gradient-glow: radial-gradient(circle, rgba(30, 64, 255, 0.3) 0%, transparent 70%);
    
    /* Background */
    --bg-primary: #0a0e27;
    --bg-secondary: #131834;
    --bg-tertiary: #1a2142;
    --bg-glass: rgba(26, 33, 66, 0.7);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #6b7b93;
    
    /* UI Elements */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(30, 64, 255, 0.4);
    
    /* Animations */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Thème Melbet (Jaune) */
.theme-melbet {
    --primary-color: #ffd700;
    --primary-light: #ffed4e;
    --primary-dark: #d4af00;
    --secondary-color: #ff8c00;
    --accent-color: #ff3d71;
    
    --gradient-primary: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
    --gradient-secondary: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%);
    --gradient-glow: radial-gradient(circle, rgba(255, 215, 0, 0.3) 0%, transparent 70%);
    
    --shadow-glow: 0 0 30px rgba(255, 215, 0, 0.4);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background animé avec particules */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(30, 64, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        var(--bg-primary);
    z-index: -2;
    animation: bgShift 20s ease-in-out infinite;
}

@keyframes bgShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(2deg); }
}

/* Effet de grille futuriste */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(30, 64, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 64, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* ============================================
   HEADER - Navigation Futuriste
   ============================================ */
.main-header {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px 20px;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.header-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    transition: var(--transition-normal);
    filter: drop-shadow(0 4px 8px rgba(30, 64, 255, 0.3));
}

.header-logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 8px 16px rgba(30, 64, 255, 0.5));
}

.main-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

/* Bouton retour */
.back-to-home {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-home:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.back-to-home svg {
    width: 24px;
    height: 24px;
    fill: var(--text-primary);
    transition: var(--transition-normal);
}

/* Sélecteur de langue futuriste */
.language-switcher {
    position: relative;
}

.language-switcher select {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 10px 40px 10px 16px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.language-switcher select:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(30, 64, 255, 0.2);
}

.language-switcher select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 255, 0.2);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    min-height: calc(100vh - 80px);
    padding: 32px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ============================================
   CONTAINERS - Effet Glassmorphism
   ============================================ */
.welcome-container,
.container,
.game-container {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.welcome-container::before,
.container::before,
.game-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.welcome-container:hover::before,
.container:hover::before,
.game-container:hover::before {
    opacity: 0.5;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.welcome-title,
h1, h2, h3 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.welcome-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.welcome-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    font-size: 1rem;
}

.welcome-text-note {
    color: var(--accent-color);
    font-weight: 600;
    background: rgba(255, 61, 113, 0.1);
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--accent-color);
    margin-top: 20px;
}

/* ============================================
   BUTTONS - Ultra-Modern
   ============================================ */
.start-game-button,
.submit-btn,
.play-game-button,
.modal-close-btn {
    position: relative;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 16px 32px;
    font-family: var(--font-family);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-glow);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.start-game-button::before,
.submit-btn::before,
.play-game-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.start-game-button:hover::before,
.submit-btn:hover::before,
.play-game-button:hover::before {
    width: 300px;
    height: 300px;
}

.start-game-button:hover,
.submit-btn:hover,
.play-game-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(30, 64, 255, 0.6);
}

.start-game-button:active,
.submit-btn:active,
.play-game-button:active {
    transform: translateY(0);
}

/* Bouton restart */
.restart-button {
    background: var(--accent-color);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(255, 61, 113, 0.4);
    margin-top: 24px;
}

.restart-button:hover {
    background: #ff1744;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 61, 113, 0.6);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-toggle {
    display: flex;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 4px;
    margin-bottom: 32px;
    gap: 4px;
}

.form-toggle button {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-md);
    padding: 12px 24px;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.form-toggle button.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.form-box {
    display: none;
}

.form-box.active {
    display: block;
    animation: fadeInUp 0.4s ease-out;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.input-group input[type="text"],
.input-group input[type="password"],
.input-group select {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 255, 0.2);
    background: var(--bg-tertiary);
}

/* Checkbox custom */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
}

.checkbox-group input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    background: var(--bg-secondary);
    cursor: pointer;
    position: relative;
    transition: var(--transition-normal);
    flex-shrink: 0;
}

.checkbox-group input[type="checkbox"]:checked {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.checkbox-group input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-group label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.privacy-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ============================================
   LOADER - Animation Futuriste
   ============================================ */
#loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

#loader-wrapper.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.dots-loader {
    display: flex;
    gap: 12px;
}

.dot {
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: dotPulse 1.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    box-shadow: var(--shadow-glow);
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }
.dot:nth-child(3) { animation-delay: 0s; }

@keyframes dotPulse {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* ============================================
   MODAL - Design Futuriste
   ============================================ */
.modal,
.modal-blocked {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal.active,
.modal-blocked.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

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

.modal-content {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.close-button {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-button:hover {
    background: var(--accent-color);
    transform: rotate(90deg);
}

/* ============================================
   MESSAGE POPUP
   ============================================ */
.message-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    padding: 32px;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    visibility: hidden;
    opacity: 0;
    transition: all var(--transition-normal);
    text-align: center;
}

.message-popup.show {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.popup-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    animation: iconBounce 0.5s ease-out;
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.message-popup.success .popup-icon {
    color: #00ff88;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.5));
}

.message-popup.error .popup-icon {
    color: var(--accent-color);
    filter: drop-shadow(0 0 20px rgba(255, 61, 113, 0.5));
}

.popup-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* ============================================
   GAME GRID - Ultra-Moderne
   ============================================ */
.game-grid-wrapper {
    display: flex;
    flex-direction: column-reverse;
    gap: 12px;
    width: 100%;
    margin-top: 24px;
}

.game-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.game-row:hover {
    background: rgba(255, 255, 255, 0.05);
}

.cote-button {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-md);
    padding: 12px 20px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-glow);
    min-width: 80px;
    position: relative;
    overflow: hidden;
}

.cote-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cote-button:hover::before {
    width: 200px;
    height: 200px;
}

.cote-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(30, 64, 255, 0.6);
}

.cote-button.inactive {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.game-cells-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    flex-grow: 1;
}

.game-cell {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    position: relative;
    transition: var(--transition-normal);
}

.game-cell:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(30, 64, 255, 0.3);
}

.game-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.game-image.spinning {
    animation: spinCard 0.8s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes spinCard {
    0%, 100% { transform: rotateY(0deg); }
    50% { transform: rotateY(180deg); }
}

.game-instruction {
    color: var(--text-secondary);
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 24px;
    padding: 16px;
    background: rgba(30, 64, 255, 0.1);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--primary-color);
}

/* ============================================
   RESPONSIVE - Mobile First
   ============================================ */
@media (max-width: 768px) {
    .main-header {
        padding: 12px 16px;
    }
    
    .header-logo {
        width: 40px;
        height: 40px;
    }
    
    .main-header h1 {
        font-size: 1.2rem;
    }
    
    .welcome-container,
    .container,
    .game-container {
        padding: 24px 20px;
        border-radius: var(--border-radius-lg);
    }
    
    .welcome-title {
        font-size: 1.5rem;
    }
    
    .welcome-text {
        font-size: 0.95rem;
    }
    
    .start-game-button,
    .submit-btn,
    .play-game-button {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .game-cells-container {
        gap: 6px;
    }
    
    .cote-button {
        min-width: 70px;
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .modal-content {
        padding: 24px 20px;
    }
    
    .language-switcher select {
        padding: 8px 32px 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .main-content {
        padding: 20px 12px;
    }
    
    .welcome-container,
    .container,
    .game-container {
        padding: 20px 16px;
    }
    
    .game-cells-container {
        gap: 4px;
    }
    
    .cote-button {
        min-width: 60px;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .form-toggle button {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

/* ============================================
   INSTALLATION PROMPT - PWA
   ============================================ */
.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(200%);
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: 20px 24px;
    max-width: 400px;
    width: calc(100% - 40px);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transition: transform var(--transition-slow);
}

.install-prompt.show {
    transform: translateX(-50%) translateY(0);
}

.install-prompt-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.install-prompt-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
}

.install-prompt-text {
    flex-grow: 1;
}

.install-prompt-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
}

.install-prompt-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.install-prompt-buttons {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.install-btn,
.dismiss-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.install-btn {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(30, 64, 255, 0.5);
}

.dismiss-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

.dismiss-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   BOOKMAKER CHOICE - Design Ultra-Moderne
   ============================================ */
.container-choice {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease-out;
}

.choice-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
}

.bookmaker-options-container {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 24px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.bookmaker-option {
    background: var(--bg-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    padding: 32px;
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.bookmaker-option::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.bookmaker-option:hover::before {
    opacity: 0.3;
    animation: rotate 8s linear infinite;
}

.bookmaker-option[data-bookmaker="1xbet"] {
    flex-basis: 60%;
    max-width: 350px;
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(30, 64, 255, 0.3);
}

.bookmaker-option[data-bookmaker="melbet"] {
    flex-basis: 35%;
    max-width: 200px;
    opacity: 0.85;
}

.bookmaker-option:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.bookmaker-logo {
    width: 100%;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
    transition: var(--transition-normal);
}

.bookmaker-option:hover .bookmaker-logo {
    transform: scale(1.05);
}

.hack-guarantee-container,
.deposit-message-container {
    background: rgba(30, 64, 255, 0.1);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin-top: 24px;
}

.hack-guarantee-container p,
.deposit-message-container p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   SCROLLBAR CUSTOM
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

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

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

/* ============================================
   ANIMATIONS AVANCÉES
   ============================================ */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   DARK MODE SUPPORT (Future)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Already optimized for dark mode */
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .main-header,
    .language-switcher,
    .back-to-home,
    .install-prompt {
        display: none;
    }
}