:root {
    --admin-sidebar-bg: #0c1222;
    --admin-sidebar-border: rgba(255, 255, 255, 0.06);
    --admin-accent: #c9a227;
    --admin-accent-hover: #dfc056;
    --admin-surface: #f6f7fb;
    --admin-card: #ffffff;
    --admin-muted: #64748b;
}

html {
    font-size: 15px;
}

.admin-body {
    margin: 0;
    min-height: 100vh;
    font-family: "DM Sans", system-ui, -apple-system, sans-serif;
    background: var(--admin-surface);
    color: #0f172a;
}

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

.admin-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: linear-gradient(180deg, #0c1222 0%, #151d32 100%);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--admin-sidebar-border);
}

.admin-brand {
    display: flex;
    align-items: center;
    padding: 1.75rem 1.5rem 1.25rem;
}

.admin-brand-title {
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: 1.15rem;
}

.admin-brand-sub {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.75rem;
    flex: 1;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
}

.admin-nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.admin-nav-link.active {
    background: rgba(201, 162, 39, 0.15);
    color: #fde68a;
}

.admin-nav-icon {
    opacity: 0.75;
    font-size: 0.85rem;
}

.admin-sidebar-footer {
    padding: 1rem 1.25rem 1.5rem;
}

.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-topbar {
    align-items: center;
    justify-content: flex-end;
    padding: 0.75rem 2rem;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.admin-content {
    padding: 2rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.admin-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.admin-page-title {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0;
}

.admin-page-subtitle {
    margin: 0.35rem 0 0;
}

.admin-card {
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 14px;
    background: var(--admin-card);
}

.stat-card .letter-spacing {
    letter-spacing: 0.06em;
}

.btn-admin-primary {
    --bs-btn-bg: #111827;
    --bs-btn-border-color: #111827;
    --bs-btn-hover-bg: #1f2937;
    --bs-btn-hover-border-color: #1f2937;
    --bs-btn-active-bg: #111827;
    --bs-btn-active-border-color: #111827;
    --bs-btn-color: #fff;
    font-weight: 600;
    padding: 0.55rem 1.25rem;
    border-radius: 10px;
}

.alert-admin-success {
    border-radius: 12px;
    border: none;
    background: rgba(34, 197, 94, 0.12);
    color: #166534;
}

.admin-table {
    --bs-table-hover-bg: rgba(201, 162, 39, 0.06);
}

.admin-table thead th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    color: var(--admin-muted);
    border-bottom-width: 1px;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.admin-table tbody td {
    padding-top: 1rem;
    padding-bottom: 1rem;
    vertical-align: middle;
}

.font-monospace {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
}

.badge-rsvp-pending {
    background: rgba(245, 158, 11, 0.18);
    color: #b45309;
}

.badge-rsvp-approved {
    background: rgba(34, 197, 94, 0.18);
    color: #15803d;
}

.badge-rsvp-declined {
    background: rgba(148, 163, 184, 0.25);
    color: #475569;
}

.table-row-highlight {
    animation: rowPulse 1.4s ease-out;
}

@keyframes rowPulse {
    0% {
        background-color: rgba(201, 162, 39, 0.28);
    }
    100% {
        background-color: transparent;
    }
}

.modal-content {
    border-radius: 14px;
    border: none;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}

@media (max-width: 767.98px) {
    .admin-shell {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .admin-nav {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 0 1rem 1rem;
    }

    .admin-sidebar-footer {
        margin-left: auto;
        padding-top: 0;
    }

    .admin-content {
        padding: 1.25rem;
    }
}

.login-body {
    margin: 0;
    min-height: 100vh;
    font-family: "DM Sans", system-ui, sans-serif;
    background: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(201, 162, 39, 0.22), transparent),
        linear-gradient(180deg, #0c1222 0%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.35);
}

.login-card .card-body {
    padding: 2rem 2rem 1.75rem;
}

.admin-guests-toolbar .form-label {
    font-weight: 500;
}

.admin-guests-toolbar__hint strong {
    color: #0f172a;
}