:root {
    --primary: #c0392b;
    --primary-dark: #97291c;
    --ink: #1f2733;
    --muted: #7a8699;
    --line: #e8ecf2;
    --bg: #f4f6fa;
    --card: #ffffff;
    --blue: #2f6fed;
    --green: #1aa06d;
    --amber: #e08a16;
    --red: #d63b3b;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(20,30,50,.06), 0 8px 24px rgba(20,30,50,.05);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
code { background: #eef1f6; padding: 1px 6px; border-radius: 5px; font-size: 13px; }
.muted { color: var(--muted); }
.strong { font-weight: 700; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 248px; background: #11161f; color: #c8d0dd;
    display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 22px 20px; }
.brand-logo {
    width: 40px; height: 40px; border-radius: 10px; background: var(--primary);
    color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 20px;
}
.brand-logo.big { width: 64px; height: 64px; font-size: 30px; border-radius: 16px; }
.brand-text strong { display: block; color: #fff; font-size: 15px; }
.brand-text span { font-size: 12px; color: #7e8aa0; }
.nav { flex: 1; padding: 8px; overflow-y: auto; }
.nav-item {
    display: flex; align-items: center; gap: 11px; padding: 11px 14px; border-radius: 9px;
    color: #aeb8c9; font-size: 14px; margin-bottom: 2px; transition: .15s;
}
.nav-item svg { width: 19px; height: 19px; }
.nav-item:hover { background: #1b2230; color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.sidebar-foot { padding: 14px; border-top: 1px solid #222a38; }
.user-card { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: #2a3445; color: #fff; display: grid; place-items: center; font-weight: 700; }
.user-card strong { display: block; color: #fff; font-size: 13px; }
.user-card span { font-size: 12px; color: #7e8aa0; }
.logout { display: block; text-align: center; padding: 8px; border: 1px solid #2a3445; border-radius: 8px; font-size: 13px; color: #aeb8c9; }
.logout:hover { background: #1b2230; color: #fff; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    height: 60px; background: #fff; border-bottom: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between; padding: 0 28px;
    position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-right { color: var(--muted); font-size: 13px; }
.content { padding: 24px 28px; }

/* ---------- Cards & stats ---------- */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 20px; }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.card-head h3 { margin: 0; font-size: 15px; }
.card-body { padding: 18px 20px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 20px; }
.stat-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; display: flex; gap: 14px; align-items: center; }
.stat-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 18px; }
.i-blue { background: var(--blue); } .i-green { background: var(--green); } .i-amber { background: var(--amber); } .i-red { background: var(--red); }
.stat-num { font-size: 26px; font-weight: 800; line-height: 1.1; }
.stat-label { color: var(--muted); font-size: 13px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 980px){ .stat-grid { grid-template-columns: repeat(2,1fr); } .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Bars ---------- */
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.bar-label { width: 96px; font-size: 13px; display: flex; align-items: center; gap: 6px; }
.bar-track { flex: 1; height: 10px; background: #eef1f6; border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; background: var(--blue); }
.bar-val { width: 64px; text-align: right; font-size: 13px; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--muted); }
.g-excellent, .badge.g-excellent { } 
.dot.g-excellent, .bar-fill.g-excellent { background: var(--green); }
.dot.g-qualified, .bar-fill.g-qualified { background: var(--blue); }
.dot.g-basic, .bar-fill.g-basic { background: var(--amber); }
.dot.g-fail, .bar-fill.g-fail { background: var(--red); }

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: middle; }
.table th { color: var(--muted); font-weight: 600; font-size: 13px; background: #fafbfd; }
.table tbody tr:hover { background: #fafbfd; }
.table .right { text-align: right; }
.table .center { text-align: center; }

/* ---------- Badges / tags ---------- */
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; background: #eef1f6; color: var(--muted); }
.badge.g-excellent { background: #e3f6ee; color: #128a59; }
.badge.g-qualified { background: #e8f0fe; color: #2257c4; }
.badge.g-basic { background: #fef3e0; color: #b96e08; }
.badge.g-fail { background: #fde7e7; color: #c62828; }
.tag { display: inline-block; padding: 1px 9px; border-radius: 6px; font-size: 12px; background: #eef1f6; color: var(--muted); }
.tag-ok { background: #e3f6ee; color: #128a59; }

.chip-list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: #f1f4f9; border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px; font-size: 13px; }
.chip small { color: var(--muted); }
.chip:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- Buttons ---------- */
.btn { display: inline-block; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 14px; color: var(--ink); transition: .15s; }
.btn:hover { border-color: #cfd6e2; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-sm { padding: 5px 11px; font-size: 13px; }
.btn-block { width: 100%; text-align: center; }
.btn-danger { color: var(--red); border-color: #f3c9c9; }
.btn-danger:hover { background: #fdeaea; }
.btn-ghost { background: transparent; }
.link { color: var(--blue); }
.link:hover { text-decoration: underline; }
.link-danger { color: var(--red); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 20px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px;
    font-family: inherit; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(192,57,43,.1); }
.form-actions { margin-top: 20px; display: flex; gap: 10px; }
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.inline-form { display: flex; gap: 8px; align-items: center; }

/* ---------- Alerts ---------- */
.alert { padding: 11px 16px; border-radius: 9px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #e3f6ee; color: #128a59; }
.alert-error { background: #fdeaea; color: #c62828; }
.alert-info { background: #e8f0fe; color: #2257c4; }

/* ---------- Login ---------- */
.login-body { background: linear-gradient(120deg, #11161f 0%, #2a1a18 100%); min-height: 100vh; display: grid; place-items: center; }
.login-wrap { display: flex; width: 820px; max-width: 94vw; background: #fff; border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.4); }
.login-hero { flex: 1; background: linear-gradient(160deg, var(--primary), var(--primary-dark)); color: #fff; padding: 44px 38px; }
.login-hero h2 { font-size: 24px; line-height: 1.4; margin: 18px 0 10px; }
.login-hero p { color: rgba(255,255,255,.85); margin: 0 0 22px; }
.login-hero ul { list-style: none; padding: 0; margin: 0; }
.login-hero li { padding: 7px 0; border-top: 1px solid rgba(255,255,255,.18); font-size: 13px; color: rgba(255,255,255,.9); }
.login-card { width: 340px; padding: 44px 36px; }
.login-card h3 { margin: 0 0 22px; font-size: 20px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.login-card input { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; }
.login-card input:focus { outline: none; border-color: var(--primary); }
.login-card .btn-block { margin-top: 24px; padding: 12px; }
.login-tip { margin-top: 18px; font-size: 12px; color: var(--muted); text-align: center; }
@media (max-width: 720px){ .login-hero { display: none; } }

/* ---------- Misc ---------- */
.section-title { font-size: 14px; font-weight: 700; margin: 22px 0 10px; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.section-title::before { content: ''; width: 4px; height: 15px; background: var(--primary); border-radius: 2px; }
.pill { font-size: 12px; padding: 2px 9px; border-radius: 20px; background: #eef1f6; color: var(--muted); }
.score-input { width: 68px !important; text-align: center; padding: 8px 6px; }
.score-field { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.score-field .smax { color: var(--muted); font-size: 13px; }
.remark-input { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; font-family: inherit; background: #fff; color: var(--ink); box-sizing: border-box; }
.remark-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(192,57,43,.1); }
.remark-input::placeholder { color: #b9b9b9; }
.org-pending { display: flex; flex-direction: column; gap: 8px; }
.org-pending-row { display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px; text-decoration: none;
    color: var(--ink); background: #fff; transition: background .12s, border-color .12s; }
.org-pending-row:hover { background: #fbf3f2; border-color: var(--primary); }
.org-pending-row .org-name { font-weight: 600; }
.org-pending-row .org-count { font-size: 13px; color: #fff; background: var(--primary);
    padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.help { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 8px 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.empty { text-align: center; padding: 40px; color: var(--muted); }
.row-total td { background: #fafbfd; font-weight: 700; }