:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    color: var(--accent);
}

.sidebar-header .subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.nav-list {
    list-style: none;
    padding: 0.5rem 0;
}

.nav-list li a {
    display: block;
    padding: 0.625rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s;
}

.nav-list li a:hover,
.nav-list li a.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent);
}

/* Main content */
.main-content {
    margin-left: 240px;
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
}

h1 { font-size: 1.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; color: var(--text-secondary); }

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    text-align: left;
    padding: 0.625rem 0.75rem;
    border-bottom: 2px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
}

.data-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.data-table tr:hover td {
    background: var(--bg-secondary);
}

.truncate {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--accent);
    border: 1px solid var(--border);
}

.status-active { color: var(--success); font-weight: 600; }
.status-inactive { color: var(--danger); font-weight: 600; }

/* Buttons */
.btn-sm {
    padding: 0.3rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.8rem;
    margin: 0 0.15rem;
}

.btn-sm:hover { background: var(--border); }
.btn-sm:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-success { color: var(--success); border-color: var(--success); }
.btn-remove { background: none; border: none; color: var(--danger); cursor: pointer; margin-left: 4px; font-size: 0.75rem; }

/* Inputs */
.input-sm, .input-search {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.input-search { width: 300px; margin-bottom: 1rem; }

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Forms */
.add-form, .search-bar, .filter-bar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.add-role {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.5rem;
}

/* Detail card */
.detail-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.detail-row {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.detail-row:last-child { border-bottom: none; }

.role-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.alert-success {
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert code {
    display: block;
    margin-top: 0.5rem;
    word-break: break-all;
    color: var(--text-primary);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}