:root {
    --bg: #050816;
    --bg-soft: rgba(15, 23, 42, 0.85);
    --card-bg: rgba(15, 23, 42, 0.9);
    --accent: #6366f1;
    --accent-soft: rgba(99, 102, 241, 0.18);
    --accent-strong: #4f46e5;
    --text: #f9fafb;
    --muted: #9ca3af;
    --danger: #f97373;
    --border-soft: rgba(148, 163, 184, 0.25);
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.75);
    --radius-xl: 24px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
    background: radial-gradient(circle at top, #1e293b 0, #020617 55%, #000 100%);
    color: var(--text);
}

/* Layout */

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

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
    border-right: 1px solid var(--border-soft);
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 999px;
    background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.28), transparent 60%);
}

.brand-logo {
    font-size: 22px;
}

.brand-name {
    font-weight: 600;
    letter-spacing: 0.03em;
}

.user-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--border-soft);
}

.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: radial-gradient(circle at top, var(--accent), var(--accent-strong));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-name {
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--muted);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-link {
    display: block;
    padding: 8px 10px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.nav-link:hover {
    color: var(--text);
    background: rgba(30, 64, 175, 0.4);
    transform: translateX(2px);
}

.nav-link-danger {
    color: #fecaca;
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--muted);
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 18px 22px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.topbar-title {
    font-size: 18px;
    font-weight: 600;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chip {
    border-radius: 999px;
    padding: 6px 10px;
    border: 1px solid var(--border-soft);
    background: rgba(15, 23, 42, 0.7);
    color: var(--muted);
    font-size: 12px;
}

.chip-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    margin-left: 6px;
}

.chip-dot-success {
    background: #22c55e;
}

/* Page */

.page-content {
    flex: 1;
}

.footer {
    margin-top: 18px;
    font-size: 12px;
    color: var(--muted);
    border-top: 1px solid rgba(15, 23, 42, 0.7);
    padding-top: 10px;
}

/* Cards & grid */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.grid-2 {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 16px;
}

.card {
    border-radius: var(--radius-xl);
    background: var(--card-bg);
    border: 1px solid var(--border-soft);
    padding: 16px 18px;
    box-shadow: var(--shadow-soft);
}

.glass-card {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 64, 175, 0.85));
    border: 1px solid rgba(129, 140, 248, 0.6);
}

.kpi-card {
    position: relative;
    overflow: hidden;
}

.kpi-card::after {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at top, rgba(94, 234, 212, 0.25), transparent 65%);
    opacity: 0.8;
}

.card-label {
    font-size: 13px;
    color: var(--muted);
    position: relative;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    margin-top: 4px;
    position: relative;
}

.card-meta {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
    position: relative;
}

.card-title {
    margin: 0 0 8px;
    font-size: 18px;
}

.card-text {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

.mt-lg {
    margin-top: 22px;
}

.mt-md {
    margin-top: 12px;
}

/* Activity list */

.activity-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.activity-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid rgba(15, 23, 42, 0.8);
    font-size: 13px;
}

.activity-main {
    display: flex;
    flex-direction: column;
}

.activity-action {
    font-weight: 500;
}

.activity-meta {
    font-size: 12px;
    color: var(--muted);
}

.activity-time {
    font-size: 11px;
    color: var(--muted);
}

.activity-empty {
    font-size: 13px;
    color: var(--muted);
}

/* Auth */

.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, #1e293b 0, #020617 55%, #000 100%);
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    padding: 20px 22px;
    border-radius: 28px;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.auth-title {
    margin: 4px 0;
    font-size: 22px;
}

.auth-subtitle {
    margin: 0;
    font-size: 13px;
    color: var(--muted);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-top: 12px;
}

.form-group label {
    font-size: 13px;
    margin-bottom: 4px;
}

.form-group input {
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    padding: 8px 12px;
    background: rgba(15, 23, 42, 0.9);
    color: var(--text);
    font-size: 14px;
}

.btn-primary {
    margin-top: 14px;
    border-radius: 999px;
    border: none;
    padding: 10px 14px;
    background: radial-gradient(circle at top left, #4f46e5, #7c3aed);
    color: #f9fafb;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 15px 30px rgba(55, 48, 163, 0.6);
}

.full-width {
    width: 100%;
}

.alert {
    margin-top: 10px;
    padding: 8px 10px;
    border-radius: 12px;
    font-size: 13px;
}

.alert-danger {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid rgba(248, 113, 113, 0.5);
    color: #fecaca;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: #bbf7d0;
}

.auth-footer {
    margin-top: 12px;
    font-size: 12px;
    color: var(--muted);
    text-align: center;
}

.code-box {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 14px;
    padding: 8px 10px;
    font-size: 12px;
    border: 1px solid var(--border-soft);
}

.feature-list {
    margin: 10px 0 0;
    padding-left: 18px;
    font-size: 13px;
    color: var(--muted);
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pill {
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    padding: 4px 10px;
    font-size: 11px;
    color: var(--muted);
}

.text-muted {
    color: var(--muted);
    font-size: 12px;
}

/* Table */

.table-card {
    margin-top: 18px;
}

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

.data-table th,
.data-table td {
    padding: 8px 10px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.85);
}

.data-table th {
    text-align: left;
    font-size: 12px;
    color: var(--muted);
}

.data-table tr:hover td {
    background: rgba(15, 23, 42, 0.9);
}

.empty-cell {
    text-align: center;
    color: var(--muted);
}

/* Status badge */

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-active {
    background: rgba(34, 197, 94, 0.12);
    color: #bbf7d0;
}

.status-inactive {
    background: rgba(148, 163, 184, 0.14);
    color: #e5e7eb;
}

.page-title {
    margin: 0 0 4px;
    font-size: 20px;
}

.page-subtitle {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--muted);
}

/* Responsive */

@media (max-width: 900px) {
    .app-shell {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    .nav-menu {
        flex-direction: row;
    }
    .main-content {
        padding: 14px;
    }
    .grid-3 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    .grid-2 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}