:root {
  color-scheme: light;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --fg: #111318;
  --muted: #667085;
  --line: #e8eaee;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-fg: #ffffff;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --danger: #e11d48;
  --danger-soft: rgba(225, 29, 72, 0.1);
  --ok: #059669;
  --ok-soft: rgba(5, 150, 105, 0.1);
  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, 0.12);
  --info: #0891b2;
  --info-soft: rgba(8, 145, 178, 0.12);
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 0 0 1px rgba(17, 19, 24, 0.04), 0 1px 2px rgba(17, 19, 24, 0.04);
  --header-h: 3.5rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", Menlo, Consolas, monospace;
  --focus: 0 0 0 3px var(--accent-soft);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0c0f;
  --surface: #13151a;
  --fg: #eef0f4;
  --muted: #8b93a1;
  --line: #23262e;
  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-fg: #0b0c0f;
  --accent-soft: rgba(129, 140, 248, 0.16);
  --danger: #fb7185;
  --danger-soft: rgba(251, 113, 133, 0.14);
  --ok: #34d399;
  --ok-soft: rgba(52, 211, 153, 0.14);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.16);
  --info: #22d3ee;
  --info-soft: rgba(34, 211, 238, 0.14);
  --shadow: 0 0 0 1px var(--line);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  padding-bottom: env(safe-area-inset-bottom);
}
button, input, select, textarea { font: inherit; color: inherit; }
img, svg { display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.03em; line-height: 1.2; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1rem; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.kicker {
  margin: 0 0 .35rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.lede { margin: .3rem 0 0; color: var(--muted); max-width: 36rem; }
.section-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.stack { display: grid; gap: .9rem; }
.stack-lg { display: grid; gap: 1rem; }
.measure { max-width: 26rem; }

.icon { width: 1.1rem; height: 1.1rem; flex: none; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--fg);
  cursor: pointer;
}
.icon-btn:hover { background: var(--bg); }
.icon-btn:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-color: var(--accent);
}

.theme-toggle .icon { display: none; }
html[data-theme-mode="auto"] .theme-toggle .i-auto { display: block; }
html[data-theme-mode="light"] .theme-toggle .i-light { display: block; }
html[data-theme-mode="dark"] .theme-toggle .i-dark { display: block; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--fg);
  font-weight: 650;
  font-size: 1rem;
  letter-spacing: -0.04em;
  text-decoration: none;
  flex: none;
}
.brand:hover { color: var(--fg); text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-fg);
}
.brand-mark svg { width: .95rem; height: .95rem; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: .75rem 1rem;
  min-height: var(--header-h);
  padding: .5rem 1.1rem;
  padding-top: max(.5rem, env(safe-area-inset-top));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(16px);
}
.tabs {
  display: flex;
  gap: 2px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  flex: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: .35rem .75rem;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 500;
}
.tabs button:hover { color: var(--fg); }
.tabs button.active {
  background: var(--surface);
  color: var(--fg);
  box-shadow: var(--shadow);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: .45rem;
  margin-left: auto;
  flex: none;
}
.whoami {
  color: var(--muted);
  font-size: .8rem;
  max-width: 8.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.text-link {
  background: none;
  border: 0;
  padding: 0;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
}
.text-link:hover { color: var(--fg); text-decoration: none; }
.back-link { display: inline-block; margin-bottom: .4rem; font-size: .8rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  min-height: 2.15rem;
  padding: .4rem .85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--fg);
  cursor: pointer;
  white-space: nowrap;
  font-weight: 550;
}
.btn:hover { background: var(--bg); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-fg);
}
.btn.primary:hover { background: var(--accent-hover); }
.btn.ghost { background: transparent; }
.btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 28%, var(--line));
}
.btn.danger:hover { background: var(--danger-soft); }
.btn.sm { min-height: 1.85rem; padding: .2rem .6rem; font-size: .8rem; }
.btn.wide { width: 100%; }

.app-main {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3.5rem;
}
.panel-page { animation: rise .22s ease; }
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.15rem;
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: center;
  margin-bottom: .85rem;
}
.search-field {
  position: relative;
  flex: 1;
  min-width: min(100%, 16rem);
}
.search-field .icon {
  position: absolute;
  left: .75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
.search-field input { padding-left: 2.3rem; }

.field { display: grid; gap: .32rem; min-width: 0; }
.field > span { font-size: .75rem; font-weight: 500; color: var(--muted); }
.field-span { grid-column: 1 / -1; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  margin-top: .15rem;
}
.form-actions.wrap { margin: 0; }
.check {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-height: 2.15rem;
}
.check input { width: auto; accent-color: var(--accent); }
.form-msg { margin: 0; color: var(--danger); font-size: .85rem; }
.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: flex-end;
  margin-bottom: .85rem;
}
.inline-form .field { flex: 1; min-width: 10rem; }
.inline-form .btn { margin-bottom: 1px; }

input, select, textarea {
  width: 100%;
  min-height: 2.25rem;
  padding: .45rem .7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
}
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea { background: #0e1014; }
textarea { min-height: 7rem; resize: vertical; }
input[type="checkbox"] { min-height: 0; width: 1rem; height: 1rem; }

.sheet {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.sheet + .sheet, .inline-form + .sheet { margin-top: .85rem; }
.sheet-pad { padding: 1rem 1.1rem; }
.sheet .pager { padding: .65rem 1rem; }

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .75rem 1rem;
  align-items: center;
  padding: .8rem 1.05rem;
  border-bottom: 1px solid var(--line);
}
.row:last-child { border-bottom: 0; }
.row:hover { background: color-mix(in srgb, var(--bg) 70%, var(--surface)); }
.row-title {
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
}
.row-title:hover { color: var(--accent); text-decoration: none; }
.row h3 { font-size: .95rem; font-weight: 600; letter-spacing: -0.02em; }
.row-meta { color: var(--muted); font-size: .8rem; margin-top: .12rem; }
.row-side {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  justify-content: flex-end;
}

.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.data-table th {
  text-align: left;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  white-space: nowrap;
}
.data-table td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: color-mix(in srgb, var(--bg) 70%, var(--surface)); }
.data-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; }

.badge {
  display: inline-flex;
  align-items: center;
  margin-left: .35rem;
  padding: .05rem .45rem;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .02em;
  background: var(--bg);
  color: var(--muted);
  vertical-align: middle;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--danger-soft); color: var(--danger); }

.chip-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .22rem .4rem .22rem .65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: .8rem;
}
.chip button {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0 .2rem;
  font-size: .75rem;
}
.chip button:hover { color: var(--fg); }
.chip .mark { color: var(--accent); font-size: .7rem; font-weight: 600; }

.empty, .loading {
  padding: 2.4rem 1rem;
  text-align: center;
  color: var(--muted);
}
.pager {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
  justify-content: flex-end;
  margin-top: .75rem;
  color: var(--muted);
  font-size: .8rem;
}
.pager.inset { margin: 0; border-top: 1px solid var(--line); }

.dropzone {
  display: grid;
  gap: .2rem;
  place-items: center;
  text-align: center;
  padding: 1.15rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  cursor: pointer;
}
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone.busy { opacity: .65; pointer-events: none; cursor: wait; }
#hash-progress { min-height: 1.2em; margin: -.35rem 0 0; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: .6rem;
  background: rgba(8, 9, 12, 0.48);
  animation: fade .16s ease;
}
.modal-backdrop.nested { z-index: 2000; }
.modal {
  width: min(480px, 100%);
  max-height: min(92vh, 860px);
  overflow: auto;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 14px 14px 10px 10px;
  padding: 1.05rem 1.1rem 1.15rem;
  box-shadow: var(--shadow);
}
.modal.wide { width: min(640px, 100%); }
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: 1rem;
}
.modal-head-actions {
  display: flex;
  align-items: center;
  gap: .4rem;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.toast {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 3000;
  max-width: min(22rem, calc(100vw - 2rem));
  padding: .65rem .9rem;
  border-radius: 8px;
  background: var(--fg);
  color: var(--bg);
  font-size: .85rem;
  animation: rise .18s ease;
}
.toast.err { background: var(--danger); color: #fff; }

.page-login { min-height: 100dvh; background: var(--bg); }
.login-theme {
  position: fixed;
  top: max(.85rem, env(safe-area-inset-top));
  right: 1rem;
  z-index: 5;
}
.login-wrap {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 3.5rem 1rem 2rem;
}
.login-card {
  width: min(22.5rem, 100%);
  display: grid;
  gap: .9rem;
  padding: 1.5rem 1.35rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 1.25rem; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  margin-bottom: 1.1rem;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .85rem 1rem;
  box-shadow: var(--shadow);
}
.stat b {
  display: block;
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.stat span { color: var(--muted); font-size: .75rem; }

.timeline { display: grid; gap: 0; margin-top: .85rem; }
.modal .timeline { margin-top: 0; }
.tl-item .badge { margin-left: .4rem; vertical-align: middle; }
.tl-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  flex-wrap: wrap;
}
.tl-item {
  position: relative;
  padding: 0 0 1.2rem 1.2rem;
  border-left: 1px solid var(--line);
}
.tl-item:last-child { border-left-color: transparent; padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: .4rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.tl-item strong { font-family: var(--mono); font-size: .9rem; }
.tl-item pre {
  margin: .5rem 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: inherit;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .75rem .85rem;
}
.chg-tag {
  display: inline-block;
  padding: .12em .5em;
  margin: 0 .12em;
  border-radius: 6px;
  font-size: .78em;
  font-weight: 650;
  letter-spacing: .02em;
  line-height: 1.55;
  vertical-align: baseline;
}
.chg-tag-tune { background: var(--accent-soft); color: var(--accent); }
.chg-tag-fix { background: var(--ok-soft); color: var(--ok); }
.chg-tag-adjust { background: var(--warn-soft); color: var(--warn); }
.chg-tag-remove { background: var(--danger-soft); color: var(--danger); }
.chg-tag-add { background: var(--info-soft); color: var(--info); }
.chg-tag-update { background: var(--accent-soft); color: var(--accent); }
.chg-tag-security { background: var(--danger-soft); color: var(--danger); }
.chg-tag-plain {
  background: color-mix(in srgb, var(--bg) 70%, var(--line));
  color: var(--muted);
}
.link-clip {
  max-width: 16rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  vertical-align: bottom;
  font-family: var(--mono);
  font-size: .75rem;
}

.docs-toc {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1rem;
}
.docs-toc a {
  padding: .32rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: .82rem;
  font-weight: 500;
}
.docs-toc a:hover { color: var(--fg); text-decoration: none; border-color: var(--accent); }
.docs-card { margin-bottom: 1rem; }
.docs-card:last-child { margin-bottom: 0; }
.docs-head {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
}
.docs-head h2 { font-size: 1.05rem; }
.docs-body { padding: 1.1rem; }
.docs-intro { margin: 0 0 .6rem; color: var(--muted); max-width: none; }
.docs-body h3 {
  margin: 1.5rem 0 .55rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
}
.docs-body h3:first-child { margin-top: 0; }
.docs-body code {
  font-family: var(--mono);
  font-size: .82em;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: .05em .38em;
}
pre.code {
  margin: .55rem 0 0;
  padding: .8rem .95rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
}
.docs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
}
.docs-grid pre { margin-top: 0; }
.method {
  display: inline-block;
  min-width: 3.6rem;
  padding: .12rem .45rem;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-align: center;
}
.method.get { background: var(--ok-soft); color: var(--ok); }
.method.post { background: var(--info-soft); color: var(--info); }
.method.patch { background: var(--warn-soft); color: var(--warn); }
.method.delete { background: var(--danger-soft); color: var(--danger); }
.method.put { background: var(--accent-soft); color: var(--accent); }
.path { font-family: var(--mono); font-size: .82rem; word-break: break-all; }
.endpoint-table td { vertical-align: middle; }
.endpoint-table td:first-child { white-space: nowrap; }
.note { margin: .8rem 0 0; font-size: .8rem; color: var(--muted); }

@media (min-width: 800px) {
  .modal-backdrop { align-items: center; }
  .modal { border-radius: 12px; }
}

@media (max-width: 760px) {
  .topbar {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand actions"
      "tabs tabs";
  }
  .brand { grid-area: brand; }
  .topbar-actions { grid-area: actions; }
  .tabs {
    grid-area: tabs;
    width: calc(100% + 2.2rem);
    margin: 0 -1.1rem -.15rem;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
  }
  .whoami { display: none; }
  .page-head { flex-direction: column; align-items: stretch; }
  .page-head .btn { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
  .row-side { justify-content: stretch; }
  .row-side .btn { flex: 1; }
  .stat-row { grid-template-columns: 1fr; }
  .inline-form { flex-direction: column; align-items: stretch; }
  .app-main { width: calc(100% - 1.3rem); padding-top: 1.15rem; }
  .filters { display: flex; gap: .4rem; width: 100%; }
  .filters select { flex: 1; min-width: 0; }
  .docs-grid { grid-template-columns: 1fr; }
  input, select, textarea { font-size: 16px; }
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr {
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--line);
  }
  .data-table tbody tr:last-child { border-bottom: 0; }
  .data-table td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: .22rem 0;
    border: 0;
  }
  .data-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: .75rem;
    flex: none;
  }
  .data-table td .row-side { width: 100%; padding-top: .35rem; }
}

@media (prefers-reduced-motion: reduce) {
  .panel-page, .toast, .modal-backdrop { animation: none; }
}