:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #8b5cf6;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border: #475569;
    --shadow: rgba(0, 0, 0, 0.5);
    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #8b5cf6;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.1);
    --accent-primary: #6366f1;
    --accent-hover: #4f46e5;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
}

/* Language Selector */
.language-selector {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

.lang-button {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 10px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.lang-button:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 6px 12px var(--shadow);
}

.lang-button svg {
    width: 20px;
    height: 20px;
}

#currentLang {
    min-width: 24px;
    text-align: center;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 8px 16px var(--shadow);
    overflow: hidden;
    min-width: 150px;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.lang-dropdown.hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.lang-option {
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.lang-option:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#themeToggle {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow);
}

#themeToggle:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

[data-theme="light"] .sun-icon {
    display: block;
}

[data-theme="light"] .moon-icon {
    display: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 40px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    animation: fadeInDown 0.8s ease;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    animation: fadeInUp 0.8s ease;
}

.ad-container {
    margin: 20px auto;
    text-align: center;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-top {
    margin-bottom: 30px;
}

.ad-wheel {
    margin-top: 20px;
}

.ad-sidebar {
    margin-top: 20px;
}

.ad-container ins {
    display: block;
    min-height: 90px;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    animation: fadeIn 1s ease;
}

.wheel-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.wheel-container {
    position: relative;
    width: 500px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    will-change: transform;
}

.wheel-pointer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-top: 40px solid var(--danger);
    z-index: 10;
    filter: drop-shadow(0 4px 6px var(--shadow));
}

#wheelCanvas {
    border-radius: 50%;
    box-shadow: 0 10px 30px var(--shadow);
    will-change: transform;
}

.spin-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    z-index: 5;
    box-shadow: 0 8px 20px var(--shadow);
    transition: all 0.3s ease;
}

.spin-button:hover:not(:disabled) {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 12px 30px var(--shadow);
}

.spin-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spin-button:active:not(:disabled) {
    transform: translate(-50%, -50%) scale(0.95);
}

.result-display {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 20px 40px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    box-shadow: 0 4px 12px var(--shadow);
    width: 100%;
    max-width: 500px;
}

.result-display.show {
    animation: bounceIn 0.6s ease;
}

.controls-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 20px var(--shadow);
}

.card h2 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.input-group {
    display: flex;
    gap: 12px;
}

input[type="text"] {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: #7c3aed;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow);
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.checkbox-group {
    margin-top: 16px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

.options-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.options-list::-webkit-scrollbar {
    width: 8px;
}

.options-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.options-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.options-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.option-item {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    animation: slideInRight 0.3s ease;
}

.option-item:hover {
    border-color: var(--primary);
    transform: translateX(5px);
}

.option-text {
    flex: 1;
    color: var(--text-primary);
    word-break: break-word;
}

.option-color {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    margin-right: 12px;
    border: 2px solid var(--border);
}

.delete-btn {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 6px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.delete-btn:hover {
    background: var(--danger-hover);
    transform: scale(1.1);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--border);
    padding: 24px 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

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

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-separator {
    color: var(--text-secondary);
}

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

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 8px 24px var(--shadow);
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.legal-content p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--text-primary);
}

.legal-content ul {
    margin-bottom: 15px;
    padding-left: 30px;
    color: var(--text-primary);
}

.legal-content li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.legal-content a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-content a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.legal-content address {
    font-style: normal;
    line-height: 1.8;
}

.back-link {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 24px;
    background: var(--primary);
    color: white !important;
    text-decoration: none !important;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow);
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .wheel-container {
        width: 400px;
        height: 400px;
    }
    
    #wheelCanvas {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .wheel-container {
        width: 320px;
        height: 320px;
    }
    
    #wheelCanvas {
        width: 320px;
        height: 320px;
    }
    
    .spin-button {
        width: 100px;
        height: 100px;
        font-size: 1rem;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .theme-toggle {
        top: 80px;
        right: 10px;
    }
    
    .language-selector {
        top: 10px;
        left: 10px;
    }
    
    #themeToggle {
        width: 45px;
        height: 45px;
    }
    
    .legal-content {
        padding: 24px;
    }
    
    .legal-content h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .wheel-container {
        width: 280px;
        height: 280px;
    }
    
    #wheelCanvas {
        width: 280px;
        height: 280px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .legal-content {
        padding: 20px;
        margin: 20px 10px;
    }
}