:root {
  --bg: #eef3fb;
  --card: #ffffff;
  --text: #1f2a3d;
  --muted: #6b778c;
  --line: #e3e9f2;
  --primary: #2f7cf6;
  --primary-dark: #1f63d4;
  --danger: #e5484d;
  --warn: #f59e0b;
  --ok: #16a34a;
  --radius: 10px;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

button, input, select, textarea { font: inherit; color: inherit; }

/* ------------------------------------------------------------ login --- */

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.login__card {
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 10px 40px rgba(31, 42, 61, 0.08);
}

.login__title { margin: 0 0 4px; font-size: 22px; }
.login__sub { margin: 0 0 24px; color: var(--muted); }

/* ------------------------------------------------------------- shell --- */

.top {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

.top__brand { font-weight: 600; font-size: 16px; white-space: nowrap; }
.top__brand span { color: var(--muted); font-weight: 400; margin-left: 6px; }

.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }

.tab {
  border: 0;
  background: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
  white-space: nowrap;
}

.tab:hover { background: var(--bg); color: var(--text); }
.tab.is-active { background: #e6efff; color: var(--primary); font-weight: 600; }

.main { padding: 20px 24px 48px; max-width: 1400px; margin: 0 auto; }

/* ------------------------------------------------------------- stats --- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.stat__label { color: var(--muted); font-size: 12px; }
.stat__value { font-size: 22px; font-weight: 600; margin-top: 2px; }

/* -------------------------------------------------------------- card --- */

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.card__title { margin: 0 0 12px; font-size: 15px; font-weight: 600; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar .grow { flex: 1; }

/* ------------------------------------------------------------- forms --- */

.input, .select, .textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  background: #fff;
  min-width: 0;
}

.input:focus, .select:focus, .textarea:focus { outline: 2px solid #bcd4ff; border-color: var(--primary); }
.input--search { width: 260px; max-width: 100%; }

[hidden] { display: none !important; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field > label { font-size: 13px; color: var(--muted); }
.field .hint { font-size: 12px; color: var(--muted); }
.field input.input, .field select.select, .field textarea.textarea { width: 100%; }
.field .row > .input { width: auto; }
.field .row { flex-wrap: nowrap; }
.field .chip { margin-top: 6px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > .input { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; color: var(--text); }

.btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover { border-color: #c5d3e8; background: #f7f9fc; }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn--danger { color: var(--danger); }
.btn--danger:hover { border-color: var(--danger); background: #fff5f5; }
.btn--small { padding: 3px 9px; font-size: 13px; }
.btn--block { width: 100%; padding: 10px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 99px; padding: 2px 10px; cursor: pointer; font-size: 12px; }
.chip:hover { border-color: var(--primary); color: var(--primary); }

.error { color: var(--danger); min-height: 20px; font-size: 13px; margin: 4px 0 8px; }

/* ------------------------------------------------------------- table --- */

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
th { font-weight: 500; color: var(--muted); font-size: 12px; background: #f8fafd; }
tbody tr:hover { background: #f8fbff; }
tr.is-clickable { cursor: pointer; }
td.wrap { white-space: normal; min-width: 140px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.empty { text-align: center; color: var(--muted); padding: 32px; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; }
.badge--active { background: #e7f7ee; color: var(--ok); }
.badge--expired { background: #fff4e5; color: #b45309; }
.badge--disabled { background: #f1f3f6; color: var(--muted); }
.badge--soon { background: #fff4e5; color: #b45309; }

.pager { display: flex; justify-content: flex-end; gap: 8px; align-items: center; margin-top: 12px; color: var(--muted); }

/* ------------------------------------------------------------ drawer --- */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 30, 50, 0.35);
  z-index: 20;
  display: flex;
  justify-content: flex-end;
}

.overlay--center { justify-content: center; align-items: center; padding: 16px; }

.drawer {
  width: min(1000px, 100%);
  height: 100%;
  background: var(--bg);
  overflow-y: auto;
  padding: 0 0 32px;
}

.drawer__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}

.drawer__title { font-size: 17px; font-weight: 600; margin: 0; flex: 1; }
.drawer__body { padding: 16px 20px; }

.close {
  border: 0;
  background: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
  padding: 4px 8px;
  border-radius: 6px;
}

.close:hover { background: var(--bg); color: var(--text); }

.modal {
  width: min(520px, 100%);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: var(--card);
  border-radius: 14px;
  padding: 20px 22px;
}

.modal__head { display: flex; align-items: center; margin-bottom: 14px; }
.modal__title { margin: 0; font-size: 17px; flex: 1; }
.modal__foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

.info { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.info__label { color: var(--muted); font-size: 12px; }
.info__value { font-size: 16px; font-weight: 600; margin-top: 2px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ------------------------------------------------------------- chart --- */

.chart { display: flex; align-items: flex-end; gap: 3px; height: 120px; padding-top: 8px; }
.chart__bar { flex: 1; background: #cfe0ff; border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.chart__bar:hover { background: var(--primary); }
.chart__axis { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; margin-top: 4px; }

.result {
  background: #f8fafd;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  white-space: pre-wrap;
  min-height: 42px;
}

.result.is-error { color: var(--danger); }

.result--codes { font-family: ui-monospace, Consolas, monospace; max-height: 320px; overflow-y: auto; user-select: all; }

.code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; letter-spacing: 0.02em; }
.code-cell { display: inline-flex; align-items: center; gap: 8px; }
.code-cell .code { white-space: nowrap; }
.info__wide { grid-column: span 2; }
td .row { flex-wrap: nowrap; }

.link { border: 0; background: none; padding: 0; color: var(--primary); cursor: pointer; font-size: 12px; font-weight: 400; }
.link:hover { text-decoration: underline; }

.card__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.card__head .card__title { margin: 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  background: #1f2a3d;
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  z-index: 50;
  max-width: calc(100vw - 32px);
}

.toast.is-error { background: var(--danger); }

@media (max-width: 720px) {
  .top { padding: 0 12px; gap: 12px; }
  .top__brand span { display: none; }
  .main { padding: 16px 16px 40px; }
  .split, .grid2 { grid-template-columns: 1fr; }
  .drawer__body { padding: 16px; }
}