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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #f4f4f4;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    font-size: 24px;
    font-weight: bold;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background 0.3s;
}

nav ul li a:hover {
    background: rgba(255,255,255,0.1);
}

main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: calc(100vh - 200px);
}

.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: white;
    color: #667eea;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s;
}

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

.features {
    padding: 40px 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.feature h3 {
    color: #667eea;
    margin-bottom: 15px;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}

.auth-form {
    max-width: 400px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #667eea;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.cabinet {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.user-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-item h3 {
    font-size: 32px;
    margin-bottom: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th {
    background: #667eea;
    color: white;
    padding: 10px;
}

table td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

table tr:hover {
    background: #f8f9fa;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
}

.badge.active {
    background: #d4edda;
    color: #155724;
}

.badge.pending {
    background: #fff3cd;
    color: #856404;
}

.badge.rejected {
    background: #f8d7da;
    color: #721c24;
}

.btn-small {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 5px 10px;
    border-radius: 3px;
    text-decoration: none;
    font-size: 12px;
    border: none;
    cursor: pointer;
}

.btn-small:hover {
    background: #5a67d8;
}

.withdraw {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #ddd;
}

.code-block {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.code-block textarea {
    width: 100%;
    padding: 10px;
    background: #272822;
    color: #f8f8f2;
    border: none;
    border-radius: 5px;
    font-family: monospace;
    margin: 10px 0;
}