/*
 * GRG Admin Panel — Theme Stylesheet
 *
 * Override the CSS custom properties below to apply a brand colour palette.
 * All structural styles reference these variables so a single overriding block
 * is all a designer needs to re-theme the panel.
 *
 * Extends Bootstrap 5 — do NOT import Bootstrap again here.
 */

/* ── Theme tokens ─────────────────────────────────────────────────────────────
   Designer entry-point: swap these values to apply the brand palette.
   ──────────────────────────────────────────────────────────────────────────── */
:root {
    /* Dimensions */
    --grg-sidebar-width: 260px;
    --grg-topbar-height: 60px;

    /* Sidebar */
    --grg-sidebar-bg: #1e2130;
    --grg-sidebar-text: #8a94a6;
    --grg-sidebar-text-active: #ffffff;
    --grg-sidebar-hover-bg: rgba(255, 255, 255, 0.06);
    --grg-sidebar-active-bg: rgba(255, 255, 255, 0.08);
    --grg-sidebar-border: rgba(255, 255, 255, 0.07);
    --grg-sidebar-logo-color: #ffffff;

    /* Topbar */
    --grg-topbar-bg: #ffffff;
    --grg-topbar-border: #e9ecef;

    /* Content area */
    --grg-content-bg: #f4f6fb;

    /* Cards / panels */
    --grg-card-bg: #ffffff;
}

[data-bs-theme="dark"] {
    --grg-sidebar-bg: #111318;
    --grg-topbar-bg: #1a1d23;
    --grg-topbar-border: rgba(255, 255, 255, 0.07);
    --grg-content-bg: #13151a;
    --grg-card-bg: #1a1d23;
}

/* ── Layout shell ─────────────────────────────────────────────────────────── */
html,
body {
    height: 100%;
}

.grg-admin-wrapper {
    display: flex;
    min-height: 100vh;
    background-color: var(--grg-content-bg);
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.grg-sidebar {
    width: var(--grg-sidebar-width);
    min-height: 100vh;
    background-color: var(--grg-sidebar-bg);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1030;
    transition: transform 0.25s ease;
    overflow: hidden;
}

.grg-sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0 1.25rem;
    height: var(--grg-topbar-height);
    flex-shrink: 0;
    border-bottom: 1px solid var(--grg-sidebar-border);
    color: var(--grg-sidebar-logo-color) !important;
    text-decoration: none !important;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.015em;
    white-space: nowrap;
    overflow: hidden;
}

.grg-sidebar-logo i {
    font-size: 1.35rem;
    color: var(--bs-primary);
    flex-shrink: 0;
}

.grg-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem 0;
}

.grg-nav-section-label {
    display: block;
    padding: 0.9rem 1.25rem 0.3rem;
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--grg-sidebar-text);
    opacity: 0.5;
    white-space: nowrap;
}

.grg-sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 1.25rem;
    color: var(--grg-sidebar-text) !important;
    text-decoration: none !important;
    font-size: 0.875rem;
    border-left: 3px solid transparent;
    transition:
        color 0.15s,
        background-color 0.15s,
        border-color 0.15s;
    white-space: nowrap;
}

.grg-sidebar-link:hover {
    color: var(--grg-sidebar-text-active) !important;
    background-color: var(--grg-sidebar-hover-bg);
}

.grg-sidebar-link.active {
    color: var(--grg-sidebar-text-active) !important;
    background-color: var(--grg-sidebar-active-bg);
    border-left-color: var(--bs-primary);
}

.grg-sidebar-link i {
    font-size: 0.95rem;
    width: 1.15rem;
    text-align: center;
    flex-shrink: 0;
}

.grg-sidebar-footer {
    padding: 0.9rem 1.25rem;
    border-top: 1px solid var(--grg-sidebar-border);
    flex-shrink: 0;
}

.grg-sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
}

.grg-sidebar-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: var(--bs-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.grg-sidebar-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--grg-sidebar-text-active);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.grg-sidebar-user-role {
    font-size: 0.68rem;
    color: var(--grg-sidebar-text);
}

/* ── Topbar ───────────────────────────────────────────────────────────────── */
.grg-topbar {
    height: var(--grg-topbar-height);
    background-color: var(--grg-topbar-bg);
    border-bottom: 1px solid var(--grg-topbar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1020;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* ── Main content area ────────────────────────────────────────────────────── */
.grg-main {
    margin-left: var(--grg-sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.grg-content {
    padding: 1.75rem;
    flex: 1;
}

/* ── Stat cards ───────────────────────────────────────────────────────────── */
.grg-stat-card {
    background-color: var(--grg-card-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.6rem;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    height: 100%;
}

.grg-stat-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.grg-stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.025em;
}

.grg-stat-label {
    font-size: 0.78rem;
    color: var(--bs-secondary-color);
    margin-top: 0.25rem;
}

/* ── Panels ───────────────────────────────────────────────────────────────── */
.grg-panel {
    background-color: var(--grg-card-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.6rem;
    overflow: hidden;
}

.grg-panel-header {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.grg-panel-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
}

.grg-panel-body {
    padding: 1.25rem;
}

/* ── Page header ──────────────────────────────────────────────────────────── */
.grg-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.grg-page-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.025em;
}

.grg-page-subtitle {
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
    margin: 0.2rem 0 0;
}

/* ── Breadcrumb ───────────────────────────────────────────────────────────── */
.grg-breadcrumb {
    font-size: 0.78rem;
    color: var(--bs-secondary-color);
    margin: 0 0 0.35rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.2rem;
}

.grg-breadcrumb a {
    color: inherit;
    text-decoration: none;
}

.grg-breadcrumb a:hover {
    text-decoration: underline;
}

.grg-breadcrumb-sep {
    opacity: 0.4;
}

/* ── Tables ───────────────────────────────────────────────────────────────── */
.grg-table th {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-secondary-color);
    white-space: nowrap;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    background-color: transparent;
}

.grg-table td {
    vertical-align: middle;
    font-size: 0.875rem;
}

/* ── Empty state ──────────────────────────────────────────────────────────── */
.grg-empty {
    text-align: center;
    padding: 3rem 1.25rem;
}

.grg-empty-icon {
    font-size: 2.5rem;
    color: var(--bs-secondary-color);
    opacity: 0.3;
    display: block;
    margin-bottom: 0.75rem;
}

.grg-empty-title {
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.grg-empty-desc {
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
    margin-bottom: 0;
}

/* ── Seat utilization bar ─────────────────────────────────────────────────── */
.grg-seat-bar {
    height: 5px;
    border-radius: 3px;
    background-color: var(--bs-border-color);
    overflow: hidden;
    min-width: 60px;
}

.grg-seat-fill {
    height: 100%;
    border-radius: 3px;
    background-color: var(--bs-primary);
    transition: width 0.3s ease;
}

.grg-seat-fill.warning {
    background-color: var(--bs-warning);
}

.grg-seat-fill.danger {
    background-color: var(--bs-danger);
}

/* ── Chart containers ─────────────────────────────────────────────────────── */
.grg-chart-container {
    position: relative;
    height: 240px;
}

/* ── Sidebar overlay (mobile) ─────────────────────────────────────────────── */
.grg-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1029;
    backdrop-filter: blur(2px);
}

.grg-overlay.show {
    display: block;
}

/* ── Utility ──────────────────────────────────────────────────────────────── */
.flex-1 {
    flex: 1 1 auto;
    min-width: 0;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .grg-sidebar {
        transform: translateX(-100%);
    }

    .grg-sidebar.show {
        transform: translateX(0);
    }

    .grg-main {
        margin-left: 0;
    }
}

/* ── Auth pages ───────────────────────────────────────────────────────────── */
.grg-auth-bg {
    background-color: var(--grg-sidebar-bg);
    background-image: radial-gradient(
        ellipse at 60% 40%,
        rgba(255, 255, 255, 0.04) 0%,
        transparent 70%
    );
    min-height: 100vh;
}

.grg-auth-card {
    background-color: var(--grg-card-bg);
    border: 1px solid var(--grg-topbar-border);
    border-radius: 0.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.grg-auth-logo {
    color: var(--grg-sidebar-logo-color);
}

/* ── Sidebar divider ──────────────────────────────────────────────────────── */
.grg-sidebar-divider {
    border-top: 1px solid var(--grg-sidebar-border);
    margin: 0.75rem 1rem;
}