:root {
    --admin-bg: #f4f6fb;
    --admin-panel: #ffffff;
    --admin-border: #e3e8f0;
    --admin-text: #1f2937;
    --admin-muted: #6b7280;
    --admin-accent: #0e7ba6;
    --admin-accent-2: #e07a26;
    --bs-primary: #0e7ba6;
    --bs-primary-rgb: 14, 123, 166;
}

body {
    background: var(--admin-bg);
    color: var(--admin-text);
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: radial-gradient(circle at top, #eef2ff 0%, var(--admin-bg) 45%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--admin-panel);
    border: 1px solid var(--admin-border);
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.08);
    text-align: center;
}

.auth-logo {
    width: 72px;
    height: auto;
    margin-bottom: 12px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.auth-brand {
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 4px;
    color: var(--admin-accent);
}

.auth-subtitle {
    color: var(--admin-muted);
    margin-bottom: 16px;
}

.auth-card .form-label {
    text-align: left;
    width: 100%;
}

.auth-card .form-control {
    text-align: left;
}

.lite-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--admin-bg);
}

.lite-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--admin-panel);
    border-bottom: 1px solid var(--admin-border);
    gap: 12px;
    flex-wrap: wrap;
}

.lite-content {
    padding: 24px;
}

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

.admin-sidebar {
    width: 240px;
    background: var(--admin-panel);
    border-right: 1px solid var(--admin-border);
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.admin-brand {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 700;
    font-size: 18px;
    color: var(--admin-text);
    margin-bottom: 24px;
}

.admin-brand img {
    width: 56px;
    height: auto;
}

.admin-brand small {
    font-weight: 500;
    font-size: 12px;
    color: var(--admin-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

.admin-link {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--admin-muted);
    text-decoration: none;
    font-weight: 600;
}

.admin-link:hover {
    background: #eef2ff;
    color: var(--admin-accent);
}

.admin-link.active {
    background: rgba(14, 123, 166, 0.14);
    color: var(--admin-accent);
}

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

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--admin-panel);
    border-bottom: 1px solid var(--admin-border);
    gap: 12px;
    flex-wrap: wrap;
}

.admin-title {
    font-size: 20px;
    font-weight: 700;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-username {
    font-weight: 600;
    color: var(--admin-muted);
}

.admin-content {
    padding: 24px;
}

.admin-card {
    background: var(--admin-panel);
    border: 1px solid var(--admin-border);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.admin-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--admin-border);
    font-weight: 600;
}

.admin-card-body {
    padding: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: linear-gradient(135deg, rgba(14, 123, 166, 0.12), rgba(224, 122, 38, 0.12));
    border-radius: 14px;
    padding: 16px;
    border: 1px solid rgba(14, 123, 166, 0.18);
}

.stat-card .label {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--admin-muted);
}

.stat-card .value {
    font-size: 26px;
    font-weight: 700;
    margin-top: 6px;
}

.admin-table thead th {
    background: #f8fafc;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table tbody tr:hover {
    background: #f9fbff;
}

@media (max-width: 992px) {
    .admin-shell {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--admin-border);
    }
    .admin-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .admin-content {
        padding: 16px;
    }
    .lite-content {
        padding: 16px;
    }
    .admin-user {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
}