:root {
  --bg: #0B0F14;
  --surface: #111827;
  --surface2: #1E293B;
  --surface3: #243040;
  --border: rgba(148,163,184,.15);
  --primary: #00D68F;
  --accent: #38BDF8;
  --warn: #F59E0B;
  --danger: #EF4444;
  --text: #E2E8F0;
  --text2: #94A3B8;
  --text3: #64748B;
  --on-primary: #05110B;
  --radius: 8px;
  --sidebar-w: 232px;
  --topbar-h: 64px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}
a { color: var(--accent); text-decoration: none; cursor: pointer; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: var(--text); background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 12px; font-size: 13px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
input::placeholder { color: var(--text3); }
table { border-collapse: collapse; width: 100%; }
.mono { font-family: "Cascadia Mono", Consolas, monospace; font-size: 12px; }
.hidden { display: none !important; }
.row { display: flex; align-items: center; gap: 10px; }
.grow { flex: 1; }
.muted { color: var(--text2); }
.dim { color: var(--text3); }
.bold { font-weight: 600; }
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; }
.mb8 { margin-bottom: 8px; } .mb16 { margin-bottom: 16px; }
.p16 { padding: 16px; } .p24 { padding: 24px; }
.scroll-y { overflow-y: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--surface2); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 9px 16px; font-size: 13px; line-height: 1; white-space: nowrap;
  transition: filter .15s, transform .05s;
}
.btn:hover { filter: brightness(1.15); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--primary); color: var(--on-primary); border-color: transparent; font-weight: 600; }
.btn.danger { background: transparent; color: var(--danger); border-color: rgba(239,68,68,.5); }
.btn.sm { padding: 6px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.card-head { display: flex; align-items: center; gap: 12px; padding: 16px 20px 0; }
.card-title { font-size: 14px; font-weight: 700; color: var(--text); }
.card-body { padding: 16px 20px 20px; }

/* KPI */
.kpi-grid { display: grid; grid-template-columns: repeat(7, minmax(0,1fr)); gap: 12px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; min-height: 96px;
}
.kpi .label { color: var(--text2); font-size: 12px; margin-bottom: 8px; }
.kpi .value { font-size: 22px; font-weight: 700; line-height: 1.2; }
.kpi .delta { color: var(--primary); font-size: 11px; margin-top: 6px; }

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 500; line-height: 1;
}
.badge.ok { background: rgba(0,214,143,.15); color: var(--primary); }
.badge.warn { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.err { background: rgba(239,68,68,.16); color: var(--danger); }
.badge.info { background: rgba(56,189,248,.15); color: var(--accent); }
.badge.neutral { background: rgba(148,163,184,.15); color: var(--text2); }

/* Table */
.table-wrap { overflow-x: auto; }
table.data { font-size: 12px; }
table.data th {
  background: var(--surface2); color: var(--text2); text-align: left; font-weight: 500;
  padding: 11px 12px; white-space: nowrap; cursor: pointer; user-select: none;
}
table.data td { padding: 11px 12px; border-top: 1px solid var(--border); color: var(--text2); white-space: nowrap; }
table.data td:first-child, table.data th:first-child { padding-left: 16px; }
table.data tbody tr:hover { background: rgba(148,163,184,.05); }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data .link { color: var(--accent); cursor: pointer; font-weight: 500; }
table.data .danger-link { color: var(--danger); cursor: pointer; }

/* Layout */
#app { height: 100vh; display: flex; }
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0; background: var(--bg); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
}
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 18px 20px; }
.sidebar .brand-mark { width: 34px; height: 34px; border-radius: 8px; background: var(--primary); color: var(--on-primary); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 13px; }
.sidebar .brand-name { font-size: 14px; font-weight: 700; }
.sidebar .brand-sub { font-size: 10px; color: var(--text3); margin-top: 2px; }
.sidebar nav { flex: 1; overflow-y: auto; padding: 8px 12px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 6px;
  color: var(--text2); font-size: 13px; cursor: pointer; position: relative; margin-bottom: 4px;
}
.nav-item:hover { background: rgba(148,163,184,.08); color: var(--text); }
.nav-item.active { background: rgba(0,214,143,.12); color: #fff; }
.nav-item.active::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; background: var(--primary); border-radius: 2px; }
.nav-item .dot { width: 16px; height: 16px; border-radius: 4px; background: var(--text3); opacity: .6; }
.nav-item.active .dot { background: var(--primary); opacity: 1; }
.sidebar .admin-box { margin: 12px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius); display: flex; gap: 10px; align-items: center; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--surface3); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: var(--topbar-h); flex-shrink: 0; background: var(--bg); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px; padding: 0 24px;
}
.topbar .crumbs { font-size: 14px; font-weight: 500; }
.topbar .search { width: 220px; height: 36px; margin-left: auto; }
.topbar .perms { font-size: 11px; color: var(--text2); }
.content { flex: 1; overflow-y: auto; padding: 24px; position: relative; }

/* Page head */
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-title { font-size: 20px; font-weight: 700; }
.page-sub { font-size: 12px; color: var(--text3); }

/* Tabs */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  padding: 9px 16px; border-radius: var(--radius); background: var(--surface); color: var(--text2);
  border: 1px solid var(--border); font-size: 12px; cursor: pointer;
}
.tab.active { background: var(--primary); color: var(--on-primary); border-color: transparent; font-weight: 600; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.field label { display: block; font-size: 12px; margin-bottom: 8px; color: var(--text); }
.field input, .field select, .field textarea { width: 100%; height: 42px; }
.field textarea { height: 84px; padding-top: 10px; resize: vertical; }
.field .hint { font-size: 11px; color: var(--text3); margin-top: 6px; }
.check { display: inline-flex; align-items: center; gap: 8px; color: var(--text2); font-size: 12px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--primary); }

/* Toggle */
.toggle { width: 36px; height: 20px; border-radius: 999px; background: var(--surface3); position: relative; cursor: pointer; transition: background .15s; flex-shrink: 0; }
.toggle::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #94A3B8; transition: left .15s, background .15s; }
.toggle.on { background: var(--primary); }
.toggle.on::after { left: 18px; background: var(--on-primary); }

/* Chart */
.chart { position: relative; height: 220px; display: flex; align-items: flex-end; gap: 12px; padding: 0 8px 24px; }
.chart .bar { flex: 1; background: #0E4A34; border-radius: 6px 6px 0 0; position: relative; min-width: 20px; transition: height .4s; }
.chart .bar.hot { background: var(--primary); }
.chart .bar .val { position: absolute; top: -18px; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--text2); }
.chart .labels { display: flex; gap: 12px; }
.chart .labels span { flex: 1; text-align: center; font-size: 10px; color: var(--text3); }

/* Modal / Drawer / Toast */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 50; display: flex; }
.modal { margin: auto; width: 520px; max-width: calc(100vw - 32px); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); max-height: 90vh; overflow: auto; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px 0; }
.modal-head .title { font-size: 15px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text3); font-size: 20px; cursor: pointer; }
.modal-body { padding: 16px 24px 24px; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 460px; max-width: 92vw; background: var(--surface); border-left: 1px solid var(--border); z-index: 60; overflow-y: auto; padding: 24px; }
#toast-root { position: fixed; top: 18px; right: 18px; z-index: 99; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--surface2); border: 1px solid var(--border); border-left: 3px solid var(--primary); color: var(--text); padding: 12px 16px; border-radius: 6px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.35); animation: slideIn .2s; }
.toast.err { border-left-color: var(--danger); }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* Empty / state */
.empty { text-align: center; color: var(--text3); padding: 48px 16px; font-size: 13px; }
.skeleton { background: linear-gradient(90deg, var(--surface2) 25%, var(--surface3) 50%, var(--surface2) 75%); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 6px; height: 44px; margin-bottom: 8px; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* Login / portal */
.auth-wrap { min-height: 100vh; width: 100%; display: flex; }
.auth-brand { width: auto; flex: 0 0 auto; min-width: 0; background: var(--surface); border-right: 1px solid var(--border); padding: 56px 64px; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.auth-brand .brand-name { margin-bottom: 24px; }
.auth-brand .hero { font-size: 32px; font-weight: 700; margin-bottom: 16px; line-height: 1.4; }
.auth-brand .sub { color: var(--text2); font-size: 14px; line-height: 1.7; max-width: 440px; }
.auth-stats { display: flex; gap: 12px; margin-top: 48px; flex-wrap: wrap; }
.auth-stat { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; min-width: 110px; }
.auth-stat .n { font-size: 20px; font-weight: 700; }
.auth-stat .l { font-size: 11px; color: var(--text3); margin-top: 4px; }
.auth-form { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 48px 56px; }
.auth-form > * { width: 100%; max-width: 420px; margin-left: auto; margin-right: auto; }
.auth-form .title { font-size: 24px; font-weight: 700; }
.auth-form .sub { color: var(--text2); margin: 8px auto 32px; font-size: 12px; }
.auth-form .field { margin-bottom: 20px; }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.project-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; cursor: pointer; transition: border-color .15s; }
.project-card:hover { border-color: var(--primary); }
.project-card .icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 20px; margin-bottom: 14px; }
.project-card .name { font-size: 15px; font-weight: 700; }
.project-card .desc { color: var(--text2); font-size: 12px; margin-top: 8px; line-height: 1.6; }
.project-card .entry { color: var(--accent); font-size: 12px; margin-top: 16px; font-weight: 500; }

/* Assign page */
.assign-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 16px; }
.disk-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 8px; cursor: pointer; }
.disk-row.selected { border-color: var(--primary); background: rgba(0,214,143,.08); }
.channel-row { display: flex; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 8px; cursor: pointer; }
.channel-row.selected { border-color: var(--primary); background: rgba(0,214,143,.08); }
.radio { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--text3); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.channel-row.selected .radio { border-color: var(--primary); background: var(--primary); }
.channel-row.selected .radio::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--on-primary); }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 6px; margin-top: 16px; }
.pagination .total { color: var(--text3); font-size: 12px; margin-right: auto; }
.page-btn { width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 6px; color: var(--text2); font-size: 12px; background: var(--surface); cursor: pointer; }
.page-btn.active { background: var(--primary); color: var(--on-primary); border-color: transparent; }

@media (max-width: 1280px) {
  .kpi-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .project-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .auth-wrap { flex-direction: column; }
  .auth-brand { width: 100%; min-height: 280px; padding: 36px 28px; border-right: 0; border-bottom: 1px solid var(--border); }
  .auth-brand .hero { font-size: 26px; }
  .auth-stats { margin-top: 28px; }
  .auth-form { padding: 40px 28px; }
  .auth-form > * { max-width: none; }
}