:root {
  color-scheme: light;
  --bg: #f7f7f8;
  --surface: #ffffff;
  --surface-subtle: #fafafa;
  --text: #131a2a;
  --muted: #687080;
  --border: #e1e3e8;
  --accent: #c6342d;
  --accent-hover: #a92823;
  --accent-soft: #fff0ee;
  --success: #2f7d4a;
  --danger: #b82d28;
  --focus: #8dafed;
  --shadow: 0 10px 28px rgba(24, 30, 44, 0.07);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111318;
  --surface: #191c23;
  --surface-subtle: #15181e;
  --text: #f1f3f7;
  --muted: #a2a9b5;
  --border: #30343d;
  --accent: #e65b53;
  --accent-hover: #f1746d;
  --accent-soft: #38211f;
  --success: #65b77e;
  --danger: #f1746d;
  --focus: #86aef4;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.55; }
button, input { font: inherit; }
.shell { width: min(1260px, calc(100% - 40px)); margin: 0 auto; padding: 32px 0 56px; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
h1 { margin: 0; font-size: clamp(26px, 3vw, 36px); line-height: 1.2; letter-spacing: -0.025em; }
.page-header p, .section-intro p { margin: 7px 0 0; color: var(--muted); }
.button { min-height: 42px; padding: 9px 18px; border: 1px solid transparent; border-radius: 9px; cursor: pointer; font-weight: 650; transition: 160ms ease; white-space: nowrap; }
.button:focus-visible, .tab:focus-visible, input:focus-visible, .link-button:focus-visible { outline: 3px solid color-mix(in srgb, var(--focus) 45%, transparent); outline-offset: 2px; }
.button:disabled { cursor: wait; opacity: .65; }
.button--primary { color: #fff; background: var(--accent); box-shadow: 0 5px 14px color-mix(in srgb, var(--accent) 20%, transparent); }
.button--primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.button--secondary { color: var(--text); background: var(--surface); border-color: var(--border); }
.button--secondary:hover { border-color: color-mix(in srgb, var(--text) 24%, var(--border)); }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); }
.summary__item { display: flex; min-height: 112px; flex-direction: column; justify-content: center; padding: 22px 30px; }
.summary__item + .summary__item { border-left: 1px solid var(--border); }
.summary span { color: var(--muted); font-weight: 600; }
.summary strong { margin-top: 2px; font-size: 30px; line-height: 1.2; }
.tabs { display: flex; gap: 30px; margin-top: 24px; border-bottom: 1px solid var(--border); }
.tab { position: relative; padding: 14px 4px 15px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-weight: 650; }
.tab:hover, .tab.is-active { color: var(--accent); }
.tab.is-active::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--accent); content: ""; }
.panel { margin-top: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.panel[hidden] { display: none; }
.editor { display: grid; grid-template-columns: minmax(260px, 1.35fr) minmax(210px, 1fr) auto; align-items: end; gap: 16px; padding: 22px; background: var(--surface-subtle); border-bottom: 1px solid var(--border); }
label { display: grid; gap: 7px; color: var(--text); font-size: 13px; font-weight: 650; }
input { width: 100%; height: 42px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); transition: border 160ms ease, box-shadow 160ms ease; }
input::placeholder { color: color-mix(in srgb, var(--muted) 76%, transparent); }
input:focus { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 18%, transparent); outline: none; }
.section-intro { padding: 22px; border-bottom: 1px solid var(--border); }
.section-intro h2 { margin: 0; font-size: 18px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; table-layout: auto; border-collapse: collapse; }
th, td { padding: 15px 20px; text-align: center; vertical-align: middle; border-bottom: 1px solid var(--border); }
th { background: var(--surface-subtle); color: var(--muted); font-size: 13px; font-weight: 700; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 42%, transparent); }
tbody tr.is-editing { background: color-mix(in srgb, var(--accent-soft) 62%, transparent); }
.alias-cell { min-width: 320px; }
.inline-editor { min-width: 260px; }
.actions { white-space: nowrap; }
.link-button { padding: 4px 7px; border: 0; border-radius: 5px; background: transparent; color: #3568ae; cursor: pointer; font-weight: 650; }
[data-theme="dark"] .link-button { color: #8db9f4; }
.link-button:hover { background: color-mix(in srgb, currentColor 10%, transparent); }
.link-button:disabled { cursor: wait; opacity: .55; }
.link-button--danger { color: var(--danger); }
.state { display: inline-flex; align-items: center; gap: 7px; font-weight: 650; }
.state::before { width: 8px; height: 8px; border-radius: 50%; background: currentColor; content: ""; }
.state--on { color: var(--success); }
.state--off { color: var(--muted); }
.tags { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px; margin: 0 auto; }
.tag { display: inline-flex; padding: 3px 8px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 650; }
.empty { padding: 42px 20px; color: var(--muted); text-align: center; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 5; max-width: min(380px, calc(100vw - 48px)); padding: 13px 18px; border-left: 4px solid var(--success); border-radius: 8px; background: var(--surface); box-shadow: 0 14px 38px rgba(0, 0, 0, .18); opacity: 0; pointer-events: none; transform: translateY(14px); transition: 180ms ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast.is-error { border-left-color: var(--danger); }

@media (max-width: 760px) {
  .shell { width: min(100% - 24px, 1260px); padding-top: 20px; }
  .page-header { align-items: stretch; flex-direction: column; }
  .summary { grid-template-columns: 1fr; }
  .summary__item { min-height: 86px; padding: 16px 20px; }
  .summary__item + .summary__item { border-top: 1px solid var(--border); border-left: 0; }
  .tabs { gap: 16px; overflow-x: auto; }
  .tab { flex: 0 0 auto; }
  .editor { grid-template-columns: 1fr; }
  .table-wrap { overflow: visible; }
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tbody tr { padding: 7px 0; border-bottom: 1px solid var(--border); }
  tbody tr:last-child { border-bottom: 0; }
  td { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 12px; padding: 8px 16px; border: 0; overflow-wrap: anywhere; }
  td::before { color: var(--muted); content: attr(data-label); font-size: 12px; font-weight: 700; }
  td.actions { grid-template-columns: max-content auto auto; align-items: center; width: 100%; white-space: normal; }
  .alias-cell, .inline-editor { min-width: 0; }
  td.empty { display: block; padding: 36px 16px; }
  td.empty::before { content: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}