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

body {
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

/* Темы */
body.dark {
    --bg: #0a0a0a;
    --card: #1a1a1a;
    --text: #ffffff;
    --primary: #6c63ff;
    --primary-dark: #4d44db;
    --secondary: #ff6b6b;
    --border: #333;
    background-color: var(--bg);
    color: var(--text);
}

body.light {
    --bg: #f5f5f5;
    --card: #ffffff;
    --text: #333333;
    --primary: #6c63ff;
    --primary-dark: #4d44db;
    --secondary: #ff6b6b;
    --border: #ddd;
    background-color: var(--bg);
    color: var(--text);
}

body.neon {
    --bg: #000000;
    --card: #0a0a0a;
    --text: #0f0;
    --primary: #0f0;
    --primary-dark: #0a0;
    --secondary: #ff0;
    --border: #0f0;
    background-color: var(--bg);
    color: var(--text);
}

body.pastel {
    --bg: #f9f0e3;
    --card: #fff9f0;
    --text: #5a5a5a;
    --primary: #ffb7b2;
    --primary-dark: #ff9f9a;
    --secondary: #a8e6cf;
    --border: #ffe0d4;
    background-color: var(--bg);
    color: var(--text);
}

.navbar {
    background: var(--card);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    color: var(--primary);
    margin-right: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

.theme-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-switcher select {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.3rem 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
}

.user-status a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.user-status a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.ad-banner {
    background: linear-gradient(135deg, #ff6b6b, #feca57);
    padding: 1rem;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 2rem;
    font-weight: bold;
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.generator-card, .auth-card, .profile-card, .admin-card, .telegram-card {
    background: var(--card);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border: 1px solid var(--border);
}

.generator-card h2, .auth-card h2, .profile-card h2, .admin-card h2 {
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-primary, .btn-secondary, .btn-tg, .btn-small {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s, opacity 0.2s;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-tg {
    background: #0088cc;
    color: white;
    display: inline-flex;
    text-decoration: none;
    margin-top: 1rem;
}

.btn-tg:hover {
    background: #006699;
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background: var(--primary);
    color: white;
}

.workout-result {
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: var(--bg);
    white-space: pre-line;
    border-left: 4px solid var(--primary);
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.telegram-card i {
    font-size: 3rem;
    color: #0088cc;
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg);
    font-weight: bold;
}

.delete-btn {
    background: #ff4757;
    color: white;
    border: none;
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.delete-btn:hover {
    opacity: 0.8;
}

.stats-section {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 10px;
}

.progress-log {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 10px;
}

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .generator-card, .auth-card, .profile-card, .admin-card {
        padding: 1.5rem;
    }
}