:root {
    --admin-bg: #f4f6fb;
    --admin-surface: #ffffff;
    --admin-border: #e8ebf2;
    --admin-text: #1e2533;
    --admin-muted: #6b7280;
    --admin-primary: #0f172a;
    --admin-accent: #f59e0b;
    --admin-sidebar-width: 260px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    color: var(--admin-text);
    background: var(--admin-bg);
}

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

.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: #f8fafc;
    flex-direction: column;
    padding: 20px 16px 14px;
}

.admin-brand-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(145deg, #f59e0b, #fcd34d);
    color: #111827;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: .04em;
}

.admin-brand-title {
    font-weight: 700;
    font-size: 1rem;
}

.admin-brand-subtitle {
    font-size: .78rem;
    color: #cbd5e1;
}

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

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    border-radius: 10px;
    color: #e2e8f0;
    padding: 10px 12px;
    font-weight: 600;
}
#adminMobileNav .admin-nav-link { 
    color: #000; 
}
.admin-nav-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, .08);
}

.admin-nav-link.active {
    background: rgba(245, 158, 11, .2);
    color: #fcd34d;
}

.admin-sidebar-footer {
    margin-top: auto;
    padding-top: 14px;
}

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

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: rgba(244, 246, 251, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--admin-border);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.admin-topbar-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.admin-topbar-subtitle {
    color: var(--admin-muted);
    font-size: .86rem;
}

.admin-content {
    padding: 18px 16px 24px;
}

.admin-section {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 2px 12px rgba(15, 23, 42, .03);
}

.admin-section-title {
    margin: 0 0 12px;
    font-size: 1.15rem;
    font-weight: 700;
}

.stat-card {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: 14px;
    padding: 14px;
    height: 100%;
}

.stat-label {
    color: var(--admin-muted);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .72rem;
    font-weight: 700;
}

.stat-value {
    margin-top: 6px;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--admin-primary);
    line-height: 1.2;
}

.stat-note {
    color: var(--admin-muted);
    font-size: .85rem;
}

.quick-actions .btn {
    min-width: 150px;
}

.table-admin {
    --bs-table-bg: transparent;
    margin-bottom: 0;
}

.table-admin > :not(caption) > * > * {
    padding-top: .75rem;
    padding-bottom: .75rem;
}

.text-muted-soft {
    color: var(--admin-muted) !important;
}

.badge-status {
    font-size: .72rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: .4rem .55rem;
}

.form-help {
    color: var(--admin-muted);
    font-size: .82rem;
}

@media (min-width: 992px) {
    .admin-topbar {
        padding-inline: 24px;
    }

    .admin-content {
        padding-inline: 24px;
    }
}