:root {
    --admin-primary: #0f766e;
    --admin-dark: #0f172a;
    --admin-bg: #f4f7fb;
    --admin-line: #e2e8f0;
    --admin-muted: #64748b;
    --admin-danger: #b91c1c;
}
* { box-sizing: border-box; }
a { color: var(--admin-primary); text-decoration: none; }
a:hover { color: #115e59; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.admin-body { margin: 0; color: #172033; background: var(--admin-bg); font-family: Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif; }
.admin-layout { min-height: 100vh; }
.admin-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 50; width: 260px; padding: 18px 14px; color: #cbd5e1; background: #0f172a; overflow-y: auto; transition: transform .25s ease; }
.admin-brand { display: flex; align-items: center; gap: 12px; padding: 8px 10px 22px; color: white; font-weight: 850; }
.admin-brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg,#0f766e,#14b8a6); }
.admin-brand small { display: block; margin-top: 2px; color: #64748b; font-size: .69rem; font-weight: 650; }
.admin-nav-label { padding: 16px 12px 7px; color: #64748b; font-size: .65rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.admin-nav { display: grid; gap: 3px; }
.admin-nav a { display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 10px; color: #94a3b8; font-size: .84rem; font-weight: 670; }
.admin-nav a:hover, .admin-nav a.active { color: white; background: rgba(15,118,110,.28); }
.admin-nav-icon { width: 21px; text-align: center; }
.admin-main { min-height: 100vh; margin-left: 260px; }
.admin-topbar { position: sticky; top: 0; z-index: 40; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 28px; border-bottom: 1px solid rgba(226,232,240,.92); background: rgba(255,255,255,.9); backdrop-filter: blur(14px); }
.admin-topbar-left { display: flex; align-items: center; gap: 12px; }
.admin-menu-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--admin-line); border-radius: 10px; background: white; }
.admin-page-title { margin: 0; font-size: 1rem; }
.admin-user { display: flex; align-items: center; gap: 10px; }
.admin-user-avatar { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--admin-primary); font-weight: 850; }
.admin-user strong { display: block; font-size: .78rem; }
.admin-user small { display: block; color: var(--admin-muted); font-size: .68rem; }
.admin-content { padding: 28px; }
.admin-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.admin-heading h1 { margin: 0; font-size: 1.65rem; letter-spacing: -.035em; }
.admin-heading p { margin: 5px 0 0; color: var(--admin-muted); font-size: .88rem; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-grid { display: grid; gap: 18px; }
.admin-grid-2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.admin-grid-3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.admin-grid-4 { grid-template-columns: repeat(4,minmax(0,1fr)); }
.admin-card { background: white; border: 1px solid var(--admin-line); border-radius: 15px; box-shadow: 0 8px 26px rgba(15,23,42,.045); }
.admin-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 19px; border-bottom: 1px solid var(--admin-line); }
.admin-card-header h2, .admin-card-header h3 { margin: 0; font-size: .95rem; }
.admin-card-body { padding: 19px; }
.metric { position: relative; overflow: hidden; padding: 20px; }
.metric::after { content: ""; position: absolute; width: 85px; height: 85px; right: -32px; top: -32px; border-radius: 50%; background: rgba(15,118,110,.08); }
.metric-label { color: var(--admin-muted); font-size: .75rem; font-weight: 650; }
.metric-value { display: block; margin-top: 4px; font-size: 1.75rem; line-height: 1.2; letter-spacing: -.04em; }
.metric-note { display: block; margin-top: 7px; color: var(--admin-muted); font-size: .72rem; }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; min-width: 760px; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--admin-line); vertical-align: top; }
.admin-table th { color: #64748b; background: #f8fafc; font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; }
.admin-table td { font-size: .82rem; }
.admin-table tbody tr:hover { background: #fbfdfd; }
.admin-table tr:last-child td { border-bottom: 0; }
.table-person { display: flex; align-items: center; gap: 10px; }
.table-avatar { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; object-fit: cover; color: white; background: linear-gradient(135deg,#0f766e,#14b8a6); font-size: .75rem; font-weight: 850; }
.table-person strong { display: block; font-size: .82rem; }
.table-person small { display: block; color: var(--admin-muted); }
.row-actions { display: flex; flex-wrap: wrap; gap: 5px; }
.admin-filter { display: grid; grid-template-columns: 1.5fr repeat(3,minmax(130px,.6fr)) auto; gap: 9px; align-items: end; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.admin-form-grid .full { grid-column: 1/-1; }
.admin-label { display: block; margin-bottom: 6px; color: #334155; font-size: .76rem; font-weight: 760; }
.admin-control { width: 100%; min-height: 42px; padding: 9px 11px; border: 1px solid #cbd5e1; border-radius: 9px; background: white; outline: none; }
.admin-control:focus { border-color: var(--admin-primary); box-shadow: 0 0 0 3px rgba(15,118,110,.1); }
textarea.admin-control { min-height: 120px; resize: vertical; }
.admin-help { margin-top: 5px; color: var(--admin-muted); font-size: .7rem; }
.admin-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 38px; padding: 8px 13px; border: 1px solid transparent; border-radius: 9px; font-weight: 750; font-size: .78rem; cursor: pointer; }
.admin-btn-primary { color: white; background: var(--admin-primary); }
.admin-btn-light { color: #334155; border-color: var(--admin-line); background: white; }
.admin-btn-danger { color: white; background: var(--admin-danger); }
.admin-btn-warning { color: #92400e; background: #fef3c7; }
.admin-btn-success { color: #166534; background: #dcfce7; }
.admin-btn-sm { min-height: 30px; padding: 5px 8px; font-size: .7rem; }
.admin-badge { display: inline-flex; padding: 4px 8px; border-radius: 999px; color: #475569; background: #f1f5f9; font-size: .65rem; font-weight: 850; }
.admin-badge-success { color: #166534; background: #dcfce7; }
.admin-badge-warning { color: #92400e; background: #fef3c7; }
.admin-badge-danger { color: #991b1b; background: #fee2e2; }
.admin-badge-info { color: #1d4ed8; background: #dbeafe; }
.admin-alert { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; padding: 12px 14px; border: 1px solid; border-radius: 10px; font-size: .8rem; }
.admin-alert-success { color: #166534; border-color: #bbf7d0; background: #f0fdf4; }
.admin-alert-warning { color: #92400e; border-color: #fde68a; background: #fffbeb; }
.admin-alert-danger { color: #991b1b; border-color: #fecaca; background: #fef2f2; }
.detail-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 24px; }
.detail-item { padding: 12px 0; border-bottom: 1px solid var(--admin-line); }
.detail-item span { display: block; color: var(--admin-muted); font-size: .68rem; }
.detail-item strong { display: block; margin-top: 2px; font-size: .82rem; }
.admin-empty { padding: 40px 20px; text-align: center; color: var(--admin-muted); }
.admin-pagination { display: flex; justify-content: center; gap: 6px; padding: 18px; }
.admin-pagination a { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid var(--admin-line); border-radius: 8px; color: #334155; background: white; font-size: .75rem; }
.admin-pagination a.active { color: white; border-color: var(--admin-primary); background: var(--admin-primary); }
.admin-login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 10% 20%,rgba(20,184,166,.14),transparent 25%),#f4f7fb; }
.admin-login-card { width: min(430px,100%); padding: 32px; border: 1px solid var(--admin-line); border-radius: 20px; background: white; box-shadow: 0 24px 70px rgba(15,23,42,.11); }
.admin-login-logo { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 15px; color: white; background: linear-gradient(135deg,#0f766e,#14b8a6); font-weight: 900; }
.admin-login-card h1 { margin: 0; font-size: 1.65rem; }
.admin-login-card > p { margin: 7px 0 24px; color: var(--admin-muted); font-size: .86rem; }
.admin-sidebar-overlay { display: none; position: fixed; inset: 0; z-index: 45; background: rgba(15,23,42,.5); }

@media (max-width: 1100px) {
    .admin-grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .admin-filter { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .admin-filter .wide { grid-column: 1/-1; }
}
@media (max-width: 860px) {
    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-sidebar-overlay.open { display: block; }
    .admin-main { margin-left: 0; }
    .admin-menu-toggle { display: grid; place-items: center; }
    .admin-content { padding: 20px 14px; }
    .admin-topbar { padding: 0 14px; }
    .admin-user-copy { display: none; }
    .admin-grid-3, .admin-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .admin-grid-4, .admin-form-grid, .detail-grid, .admin-filter { grid-template-columns: 1fr; }
    .admin-form-grid .full, .admin-filter .wide { grid-column: auto; }
    .admin-heading { align-items: flex-start; flex-direction: column; }
    .admin-login-card { padding: 26px 20px; }
}