/* ---------------------------------------------------------------- tokens */
:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --surface-2: #f2f2f4;
  --border: #e2e2e6;
  --border-strong: #d0d0d6;
  --text: #17171a;
  --text-dim: #6b6b76;
  --accent: #3b5bfd;
  --accent-contrast: #ffffff;
  --danger: #c22a3c;
  --code-bg: #f4f4f6;

  --radius: 10px;
  --radius-sm: 7px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101013;
    --surface: #17171b;
    --surface-2: #1e1e23;
    --border: #2a2a31;
    --border-strong: #3a3a44;
    --text: #ececf1;
    --text-dim: #9a9aa8;
    --accent: #7b93ff;
    --accent-contrast: #0d0d10;
    --danger: #ff6b7d;
    --code-bg: #131317;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.app { min-height: 100vh; }

a { color: inherit; }

/* ------------------------------------------------------------- controls */
button {
  font: inherit;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  padding: 7px 13px;
  transition: background 120ms ease, border-color 120ms ease;
}
button:hover { background: var(--surface-2); }
button:disabled { opacity: 0.55; cursor: not-allowed; }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
  font-weight: 550;
}
button.primary:hover { filter: brightness(1.08); }

button.danger { color: var(--danger); }
button.danger:hover { border-color: var(--danger); }

button.icon {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
}

input, textarea, select {
  font: inherit;
  width: 100%;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: transparent;
}
textarea { font-family: var(--mono); font-size: 13.5px; line-height: 1.65; resize: vertical; }

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field + .field { margin-top: 18px; }

/* ---------------------------------------------------------------- login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 370px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
}
.login-card h1 { margin: 0 0 4px; font-size: 21px; letter-spacing: -0.01em; }
.login-card p.sub { margin: 0 0 24px; color: var(--text-dim); font-size: 13.5px; }
.login-card button { width: 100%; margin-top: 22px; }

/* -------------------------------------------------------------- chrome */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 22px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.who { color: var(--text-dim); font-size: 13px; }

.page { max-width: 1000px; margin: 0 auto; padding: 28px 22px 64px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-head h1 { margin: 0; font-size: 22px; letter-spacing: -0.015em; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.search { position: relative; flex: 1 1 260px; min-width: 200px; }
.search input { padding-left: 34px; }
.search svg {
  position: absolute; left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}
.count { color: var(--text-dim); font-size: 13px; white-space: nowrap; }

/* --------------------------------------------------------------- table */
.table-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 16px;
}
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
th button {
  width: 100%;
  border: 0;
  background: none;
  border-radius: 0;
  padding: 11px 16px;
  text-align: left;
  font: inherit;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
}
th button:hover { background: var(--border); }
th.plain { padding: 11px 16px; }
th .arrow { opacity: 0.45; font-size: 10px; }
th .arrow.active { opacity: 1; color: var(--accent); }

td { padding: 13px 16px; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--surface-2); }

.cell-title { font-weight: 550; letter-spacing: -0.005em; }
.cell-dim { color: var(--text-dim); font-size: 13px; white-space: nowrap; }
.col-narrow { width: 1%; }

.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.empty {
  padding: 56px 24px;
  text-align: center;
  color: var(--text-dim);
}
.empty p { margin: 0 0 16px; }

/* -------------------------------------------------------------- detail */
.detail-head { margin-bottom: 18px; }
.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  margin-bottom: 14px;
}
.back:hover { color: var(--text); }
.detail-head h1 {
  margin: 0 0 8px;
  font-size: 26px;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}
.meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--text-dim); font-size: 13px; }

.code-card {
  margin-top: 20px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px 9px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.code-head .lang { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.7;
  tab-size: 2;
}
pre code { white-space: pre; }

/* syntax colours */
.tok-com { color: var(--text-dim); font-style: italic; }
.tok-str { color: #1a8f5a; }
.tok-kw  { color: #8250df; font-weight: 550; }
.tok-num { color: #b8552a; }
@media (prefers-color-scheme: dark) {
  .tok-str { color: #7ee0a8; }
  .tok-kw  { color: #c9a2ff; }
  .tok-num { color: #ffab7a; }
}

/* --------------------------------------------------------------- forms */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 190px; gap: 16px; }
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.form-actions .spacer { flex: 1; }

.error {
  margin-top: 16px;
  color: var(--danger);
  font-size: 13.5px;
}

/* --------------------------------------------------------------- toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 16px);
  background: var(--text);
  color: var(--bg);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.offscreen { position: fixed; left: -9999px; top: 0; opacity: 0; }

.loading { padding: 60px; text-align: center; color: var(--text-dim); }

@media (max-width: 620px) {
  .form-row { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .page { padding: 20px 14px 48px; }
  .topbar { padding: 0 14px; }
}