:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #1c2128;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border: #30363d;
    --accent: #58a6ff;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --radius: 6px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.hidden { display: none !important; }

/* Login */
.admin-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.admin-login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 360px;
    text-align: center;
}

.admin-logo { width: 60px; margin-bottom: 16px; }

.admin-login-box h1 {
    font-size: 20px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.admin-login-box input {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
}

.admin-login-box button {
    width: 100%;
    padding: 10px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    cursor: pointer;
}

.admin-login-box button:hover { opacity: 0.9; }

.error {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 12px;
}

/* Header */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.admin-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-logo-small { width: 32px; height: 32px; }

.admin-header h1 { font-size: 18px; }

.admin-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Buttons */
.admin-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
}

.admin-btn:hover { background: var(--border); }

.admin-btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.admin-btn-success:hover { opacity: 0.9; }

.admin-btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.admin-btn-danger:hover { opacity: 0.9; }

.admin-btn-secondary { background: transparent; }
.admin-btn-secondary:hover { background: var(--bg-tertiary); }

.admin-btn-sm { padding: 4px 10px; font-size: 12px; }

/* Stats */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 20px 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.stat-active .stat-value { color: var(--success); }
.stat-pending .stat-value { color: var(--warning); }
.stat-expired .stat-value { color: var(--danger); }

/* Filters */
.admin-filters {
    display: flex;
    gap: 12px;
    padding: 0 24px 16px;
}

.admin-search {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
}

.admin-select {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
}

/* Table */
.admin-table-container {
    padding: 0 24px;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.admin-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
}

.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.admin-table tr:hover { background: var(--bg-tertiary); }

/* Status badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.badge-active { background: rgba(63, 185, 80, 0.15); color: var(--success); }
.badge-pending { background: rgba(210, 153, 34, 0.15); color: var(--warning); }
.badge-expired { background: rgba(248, 81, 73, 0.15); color: var(--danger); }
.badge-rejected { background: rgba(139, 148, 158, 0.15); color: var(--text-secondary); }
.badge-admin { background: rgba(88, 166, 255, 0.15); color: var(--accent); }

/* Action buttons */
.action-btns { display: flex; gap: 6px; }

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    width: 400px;
}

.modal-content h3 { margin-bottom: 12px; }
.modal-form { margin: 16px 0; }
.modal-form label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-secondary); }
.modal-form select { width: 100%; padding: 8px; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-primary); }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 16px; }

/* Responsive */
@media (max-width: 768px) {
    .admin-stats { grid-template-columns: repeat(2, 1fr); }
    .admin-filters { flex-wrap: wrap; }
    .admin-header { flex-direction: column; gap: 8px; }
}