:root {
    --green:#2da0d9;
    --green-dark:#0d405b;
    --green-soft:#e9f6fc;
    --gold:#f2c86b;
    --bg:#f5f9fc;
    --line:#dbe9f1;
    --text:#132431;
    --muted:#657784;
    --danger:#b42318;
    --shadow:0 14px 34px rgba(19,36,49,.08);
}
* { box-sizing:border-box; }
body { margin:0; font-family:Inter, system-ui, Segoe UI, sans-serif; background:var(--bg); color:var(--text); }
a { color:inherit; text-decoration:none; }
button,input,textarea,select { font:inherit; }
.admin-shell { min-height:100vh; display:grid; }
.admin-sidebar { position:fixed; inset:0 auto 0 0; z-index:50; width:min(310px,86vw); overflow-y:auto; transform:translateX(-104%); transition:transform .22s ease; background:linear-gradient(180deg,var(--green-dark),#0a2d42); color:#e5f4fb; padding:16px; box-shadow:24px 0 60px rgba(0,0,0,.22); }
.admin-sidebar.open { transform:translateX(0); }
.sidebar-backdrop { position:fixed; inset:0; z-index:45; display:none; background:rgba(5,22,34,.45); }
.sidebar-backdrop.show { display:block; }
.sidebar-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:18px; }
.admin-brand { display:grid; grid-template-columns:48px 1fr; align-items:center; gap:10px; min-width:0; }
.admin-brand span, .login-logo { display:grid; place-items:center; width:48px; height:48px; border-radius:14px; background:#fff; overflow:hidden; box-shadow:0 10px 24px rgba(0,0,0,.18); }
.admin-brand img, .login-logo img { width:100%; height:100%; object-fit:contain; padding:3px; }
.admin-brand strong { display:block; line-height:1.1; }
.admin-brand small { color:#bfe4f6; font-weight:700; }
.sidebar-close,.menu-toggle { border:1px solid var(--line); border-radius:999px; padding:9px 13px; background:#fff; color:var(--green-dark); font-weight:850; cursor:pointer; }
.sidebar-close { border-color:rgba(255,255,255,.2); background:rgba(255,255,255,.1); color:#fff; }
.admin-nav { display:grid; gap:5px; padding-bottom:18px; }
.admin-nav small { margin:13px 10px 4px; color:#9bd4ee; font-size:.72rem; font-weight:900; text-transform:uppercase; letter-spacing:.08em; }
.admin-nav a { display:flex; align-items:center; justify-content:space-between; min-height:42px; padding:10px 12px; border-radius:10px; color:#e5f4fb; font-weight:800; }
.admin-nav a:hover,.admin-nav a.active { background:rgba(255,255,255,.14); }
.admin-nav a.active { box-shadow:inset 3px 0 0 var(--gold); }
.logout-link { color:#ffe8e5 !important; }
.admin-main { min-width:0; padding:14px; }
.admin-topbar { position:sticky; top:0; z-index:20; display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:12px; margin:-14px -14px 18px; padding:12px 14px; background:rgba(245,249,252,.92); border-bottom:1px solid var(--line); backdrop-filter:blur(12px); }
.topbar-user { min-width:0; }
.topbar-user strong { display:block; line-height:1.15; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.topbar-user small { display:block; color:var(--muted); font-weight:700; }
.topbar-link,.btn,button[type="submit"] { border:0; border-radius:999px; padding:11px 16px; background:var(--green); color:#fff; font-weight:900; cursor:pointer; display:inline-flex; align-items:center; justify-content:center; gap:8px; box-shadow:0 10px 22px rgba(45,160,217,.2); }
.topbar-link { padding:9px 13px; white-space:nowrap; }
.btn.ghost { background:#fff; color:var(--green-dark); border:1px solid var(--line); box-shadow:none; }
.dashboard-head,.module-head { display:flex; justify-content:space-between; align-items:flex-end; gap:16px; margin-bottom:16px; }
.dashboard-head h1,.module-head h1 { margin:4px 0 5px; font-size:clamp(1.55rem,4vw,2.35rem); line-height:1.1; letter-spacing:0; }
.dashboard-head p,.module-head p { margin:0; color:var(--muted); }
.eyebrow { display:inline-flex; color:var(--green-dark); background:var(--green-soft); border-radius:999px; padding:6px 10px; font-size:.78rem; font-weight:900; }
h1,h2,p { margin-top:0; }
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(155px,1fr)); gap:12px; }
.stat-card,.admin-panel { background:#fff; border:1px solid var(--line); border-radius:12px; padding:16px; box-shadow:var(--shadow); }
.stat-card { position:relative; overflow:hidden; min-height:126px; }
.stat-card::after { content:""; position:absolute; width:82px; height:82px; right:-28px; top:-26px; border-radius:50%; background:rgba(45,160,217,.12); }
.stat-card.highlight::after { background:rgba(242,200,107,.28); }
.stat-card span { color:var(--muted); font-size:.9rem; font-weight:800; }
.stat-card strong { display:block; font-size:clamp(1.5rem,5vw,2rem); color:var(--green-dark); margin-top:8px; line-height:1.1; overflow-wrap:anywhere; }
.stat-card small { display:block; margin-top:8px; color:var(--muted); font-weight:700; }
.quick-actions { display:flex; gap:10px; overflow-x:auto; padding:14px 0 2px; margin-bottom:12px; scrollbar-width:none; }
.quick-actions::-webkit-scrollbar { display:none; }
.quick-actions a { flex:0 0 auto; border:1px solid var(--line); background:#fff; color:var(--green-dark); border-radius:999px; padding:10px 14px; font-weight:900; box-shadow:0 8px 18px rgba(19,36,49,.05); }
.panel-grid { display:grid; gap:14px; margin-top:14px; }
.panel-title { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:12px; }
.panel-title h2 { margin:0; font-size:1.1rem; }
.panel-title span { color:var(--muted); font-weight:850; background:var(--green-soft); border-radius:999px; padding:6px 10px; }
.bar-chart { height:220px; display:flex; align-items:end; justify-content:center; gap:28px; padding:20px; border:1px solid var(--line); border-radius:12px; background:linear-gradient(180deg,#fff,#f8fcfe); }
.bar-chart div { width:92px; height:var(--h); min-height:32px; background:linear-gradient(180deg,var(--gold),var(--green)); border-radius:10px 10px 0 0; display:flex; align-items:end; justify-content:center; color:#fff; font-size:.82rem; padding:8px; text-align:center; font-weight:850; }
table { width:100%; border-collapse:separate; border-spacing:0; }
th,td { text-align:left; padding:13px 12px; border-bottom:1px solid var(--line); vertical-align:top; }
th { color:var(--green-dark); font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; background:#f8fcfe; }
tbody tr:hover { background:#fbfdff; }
.table-panel { overflow-x:auto; padding:0; }
.table-panel table { min-width:720px; }
.row-actions { white-space:nowrap; }
.action-link { display:inline-flex; border-radius:999px; padding:7px 11px; background:var(--green-soft); color:var(--green-dark); font-weight:900; }
.action-link.ghost { background:#fff; border:1px solid var(--line); color:var(--muted); }
.link-danger { background:transparent; color:var(--danger); padding:7px 8px; border-radius:999px; box-shadow:none; }
td form { display:inline; }
.form-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px; }
.field-wide { grid-column:1 / -1; }
label { display:grid; gap:7px; align-content:start; }
label span { display:block; font-weight:900; }
input,textarea,select { width:100%; border:1px solid var(--line); border-radius:10px; padding:12px 13px; background:#fff; color:var(--text); outline:none; transition:border-color .15s ease, box-shadow .15s ease; }
input:focus,textarea:focus,select:focus { border-color:var(--green); box-shadow:0 0 0 4px rgba(45,160,217,.14); }
textarea { min-height:160px; resize:vertical; }
input[type="checkbox"] { width:22px; height:22px; accent-color:var(--green); }
input[type="file"] { padding:10px; background:#f8fcfe; }
label small { color:var(--muted); overflow-wrap:anywhere; }
.upload-preview { width:min(260px,100%); aspect-ratio:16 / 10; object-fit:cover; border:1px solid var(--line); border-radius:12px; background:#f8fcfe; }
.form-actions,.head-actions { display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
.form-actions { grid-column:1 / -1; justify-content:flex-end; padding-top:6px; border-top:1px solid var(--line); }
.empty-state { display:grid; place-items:center; gap:8px; min-height:260px; padding:28px; text-align:center; color:var(--muted); }
.empty-state strong { color:var(--text); font-size:1.15rem; }
.empty-state p { margin:0 0 8px; }
.alert { padding:12px 14px; border-radius:10px; margin-bottom:12px; font-weight:800; }
.danger { background:#fee4e2; color:#912018; }
.login-body { min-height:100vh; display:grid; place-items:center; padding:18px; background:linear-gradient(135deg,#0d405b,#2da0d9); }
.login-card { width:min(430px,100%); display:grid; gap:13px; background:#fff; border-radius:16px; padding:30px; box-shadow:0 24px 60px rgba(0,0,0,.24); }
.login-card .login-logo { width:72px; height:72px; border:1px solid var(--line); box-shadow:var(--shadow); }
.login-card h1 { margin-bottom:0; font-size:1.7rem; }
.login-card p,.login-card a { color:var(--muted); }
@media (max-width: 560px) {
    .topbar-link { display:none; }
    .dashboard-head,.module-head { display:grid; align-items:start; }
    .form-actions { justify-content:stretch; }
    .form-actions .btn,.form-actions button { width:100%; }
}
@media (min-width: 980px) {
    .admin-shell { grid-template-columns:300px 1fr; }
    .admin-sidebar { position:sticky; top:0; width:auto; height:100vh; transform:none; box-shadow:none; }
    .sidebar-close,.menu-toggle,.sidebar-backdrop { display:none !important; }
    .admin-main { padding:28px; }
    .admin-topbar { margin:-28px -28px 24px; padding:16px 28px; grid-template-columns:1fr auto; }
    .panel-grid { grid-template-columns:.85fr 1.15fr; }
}