:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #f59e0b;
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --border: #21262d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --success: #238636;
    --danger: #da3633;
}

body {
    margin: 0;
    line-height: 1.5;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    -webkit-text-size-adjust: 100%;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 16px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.logo {
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(14, 165, 233, 0.12);
    color: var(--text-primary);
    font-size: 0.85rem;
    border: 1px solid rgba(14, 165, 233, 0.25);
    transition: all 0.2s ease;
}

.badge:hover {
    border-color: var(--primary);
    background: rgba(14, 165, 233, 0.2);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.stats-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
    display: grid;
    gap: 8px;
}

.form-group {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-secondary);
}

.input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(13, 17, 23, 0.9);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input::placeholder {
    color: var(--text-secondary);
}

.input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(14, 165, 233, 0.25);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

.table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card);
}

.table th,
.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.95rem;
}

.table th {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.table tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}

.table tr:last-child td {
    border-bottom: none;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

@media (max-width: 600px) {
    .container {
        padding: 20px 12px;
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .logo {
        font-size: 1.2rem;
    }
}