:root {
  --sidebar: #12161f;
  --sidebar-hover: #1c2331;
  --accent: #ff9f1a;
  --accent-dark: #e8890a;
  --bg: #f4f6fa;
  --card: #fff;
  --text: #1d2433;
  --text-2: #6b7688;
  --line: #e6eaf2;
  --green: #12b76a;
  --red: #f04438;
  --blue: #2e6ee0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }

/* ---------- layout ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 210px; flex: 0 0 210px; background: var(--sidebar); color: #aab3c5;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { padding: 20px 18px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.07); }
.brand-logo {
  width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, #ffb340, #ff8a00);
  color: #16202e; font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.brand-name { color: #fff; font-weight: 600; font-size: 15px; letter-spacing: .3px; }
.nav { padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
  font-size: 14px; transition: .15s;
}
.nav a:hover { background: var(--sidebar-hover); color: #fff; }
.nav a.active { background: linear-gradient(90deg, rgba(255,159,26,.18), rgba(255,159,26,.04)); color: var(--accent); font-weight: 600; }
.nav .ico { width: 18px; text-align: center; }
.sidebar-foot { margin-top: auto; padding: 14px 18px; font-size: 12px; color: #59637a; }

.main { flex: 1; min-width: 0; }
.topbar {
  height: 60px; background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center;
  justify-content: space-between; padding: 0 24px; position: sticky; top: 0; z-index: 20;
}
.topbar h1 { font-size: 17px; font-weight: 600; }
.user-box { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-2); }
.user-box a { color: var(--text-2); }
.user-box a:hover { color: var(--accent-dark); }
.content { padding: 22px 24px 40px; }

/* ---------- cards / stats ---------- */
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { background: var(--card); border-radius: 12px; box-shadow: 0 1px 2px rgba(16,24,40,.04); border: 1px solid var(--line); }
.card-hd { padding: 15px 18px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.card-hd h3 { font-size: 15px; font-weight: 600; }
.card-bd { padding: 16px 18px; }

.stat { padding: 18px; }
.stat .label { color: var(--text-2); font-size: 13px; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat .sub { font-size: 12px; color: var(--text-2); margin-top: 4px; }
.stat .value small { font-size: 14px; font-weight: 500; color: var(--text-2); margin-left: 2px; }
.up { color: var(--green); } .down { color: var(--red); }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: middle; }
th { color: var(--text-2); font-weight: 500; background: #fafbfd; white-space: nowrap; }
tbody tr:hover { background: #fcfdff; }
td.num { font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

/* ---------- badges ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; line-height: 18px; white-space: nowrap; }
.badge-gray { background: #eef1f6; color: #5b667a; }
.badge-green { background: #e7f8ef; color: #0d8a52; }
.badge-red { background: #fdeceb; color: #cc3227; }
.badge-orange { background: #fff3e0; color: #c46a00; }
.badge-blue { background: #eaf1fe; color: #1e5bc6; }

/* ---------- forms ---------- */
.form-row { display: flex; gap: 16px; margin-bottom: 14px; }
.form-item { flex: 1; min-width: 0; }
.form-item > label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-2); }
.form-item .hint { font-size: 12px; color: #98a2b3; margin-top: 4px; line-height: 1.5; }
.input, .select, textarea.input {
  width: 100%; padding: 9px 11px; border: 1px solid #dfe4ee; border-radius: 8px; background: #fff;
  outline: none; transition: .15s; color: var(--text);
}
.input:focus, .select:focus, textarea.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,159,26,.14); }
textarea.input { resize: vertical; min-height: 80px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }
.checkbox-line { display: flex; gap: 18px; align-items: center; padding-top: 6px; }
.checkbox-line label { display: flex; align-items: center; gap: 6px; color: var(--text); font-size: 13px; cursor: pointer; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border: 1px solid transparent;
  border-radius: 8px; cursor: pointer; background: #eef1f6; color: var(--text); font-size: 13px; transition: .15s; white-space: nowrap;
}
.btn:hover { filter: brightness(.97); }
.btn-primary { background: var(--accent); color: #2a1a00; font-weight: 600; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-dark { background: #1e2637; color: #fff; }
.btn-ghost { background: #fff; border-color: #dfe4ee; }
.btn-danger { background: #fdeceb; color: #cc3227; }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn-block { width: 100%; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 16px; }
.toolbar .form-item { flex: 0 0 auto; min-width: 150px; }

/* ---------- misc ---------- */
.tag-app { display: flex; align-items: center; gap: 9px; }
.avatar { width: 34px; height: 34px; border-radius: 9px; background: #eef1f6; object-fit: cover; display: flex; align-items: center; justify-content: center; font-weight: 600; color: #7a869a; overflow: hidden; flex: 0 0 34px; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.empty { text-align: center; color: #98a2b3; padding: 48px 0; }
.pager { display: flex; justify-content: flex-end; gap: 6px; padding: 14px 18px; }
.pager a, .pager span { padding: 6px 11px; border-radius: 6px; border: 1px solid var(--line); background: #fff; font-size: 13px; }
.pager .cur { background: var(--accent); border-color: var(--accent); color: #2a1a00; font-weight: 600; }
.flash { margin-bottom: 16px; padding: 11px 15px; border-radius: 9px; font-size: 13px; }
.flash-success { background: #e7f8ef; color: #0d8a52; border: 1px solid #b8ecd1; }
.flash-error { background: #fdeceb; color: #cc3227; border: 1px solid #f7c9c5; }
.bar-track { height: 8px; border-radius: 6px; background: #f1f4f9; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; background: linear-gradient(90deg, #ffb340, #ff8a00); }
.money { font-variant-numeric: tabular-nums; font-weight: 600; }
.text-2 { color: var(--text-2); }
.text-sm { font-size: 12px; }
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; }
.flex { display: flex; } .between { justify-content: space-between; } .center { align-items: center; }
.gap8 { gap: 8px; } .gap16 { gap: 16px; }
.tr { text-align: right; }

/* ---------- modal ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(15,22,36,.5); display: none; align-items: flex-start; justify-content: center; z-index: 100; overflow: auto; padding: 40px 16px; }
.modal-mask.show { display: flex; }
.modal { background: #fff; border-radius: 14px; width: 720px; max-width: 100%; box-shadow: 0 24px 60px rgba(10,20,40,.28); }
.modal-hd { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal-hd h3 { font-size: 16px; }
.modal-bd { padding: 20px; max-height: 68vh; overflow: auto; }
.modal-ft { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.close-x { border: none; background: none; font-size: 22px; line-height: 1; color: #98a2b3; cursor: pointer; }
pre.json { background: #0f1624; color: #c7d2e5; padding: 12px; border-radius: 8px; overflow: auto; font-size: 12px; max-height: 280px; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1000px 500px at 15% 0%, #23304a 0%, #10151f 55%, #0b0f17 100%); }
.login-card { width: 380px; background: #fff; border-radius: 16px; padding: 32px 30px; box-shadow: 0 30px 70px rgba(0,0,0,.4); }
.login-card h2 { font-size: 20px; margin-bottom: 4px; }
.login-card p.sub { color: var(--text-2); font-size: 13px; margin-bottom: 22px; }
.login-card .input { padding: 11px 12px; margin-bottom: 14px; }
.login-card .btn { padding: 11px; font-size: 15px; }

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
  .sidebar { display: none; }
  .content { padding: 16px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; gap: 12px; }
  .modal { width: 100%; }
}