:root {
  --bg: #0a0d13;
  --bg-elev: #10151f;
  --bg-sunken: #070a0f;
  --line: #1d2431;
  --line-soft: #161c26;
  --fg: #d9dee7;
  --fg-dim: #8b95a7;
  --fg-faint: #8b95a7;
  --accent: #4cc2ff;
  --accent-dim: #1d6b8f;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f0616d;
  --violet: #a78bfa;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body { display: flex; flex-direction: column; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶栏 ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  background: rgba(10, 13, 19, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 650;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-mark {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 15px;
}

.brand-sub {
  color: var(--fg-faint);
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

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

.nav-menu-toggle, .nav-backdrop { display: none; }

.navlink {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--fg-dim);
  font-size: 13px;
  white-space: nowrap;
  border: 1px solid transparent;
}

.navlink:hover { color: var(--fg); background: var(--bg-elev); text-decoration: none; }

.navlink.is-active {
  color: var(--fg);
  background: var(--bg-elev);
  border-color: var(--line);
}

.topbar-tail {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-faint);
  white-space: nowrap;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 2px;
  font-family: var(--mono);
  font-size: 11px;
  white-space: nowrap;
}

.language-switcher a { color: var(--fg-faint); }
.language-switcher a:hover, .language-switcher a.is-active { color: var(--fg); }
.language-switcher span { color: var(--line); }

/* ---------- 布局 ---------- */

.shell {
  flex: 1;
  width: 100%;
  max-width: 1520px;
  margin: 0 auto;
  padding: 24px;
}

.page-head { margin-bottom: 20px; }

.page-title {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.page-sub {
  margin: 0;
  color: var(--fg-dim);
  font-size: 13px;
  max-width: 76ch;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 16px;
  align-items: start;
}

.grid-even {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.stack { display: grid; gap: 16px; }

.task-picker {
  padding: 2px 0 4px;
}

.task-picker-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.task-picker-head .sect-label { margin-bottom: 4px; }

.task-picker-title {
  margin: 0;
  font-size: 17px;
  font-weight: 650;
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.task-card {
  display: grid;
  gap: 7px;
  min-height: 174px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elev);
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.12s, background 0.12s, transform 0.12s;
}

.task-card:hover {
  border-color: var(--accent-dim);
  background: #131d29;
  text-decoration: none;
  transform: translateY(-1px);
}

.task-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.task-card-kicker {
  color: var(--accent);
  font: 11px var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.task-card strong { font-size: 15px; font-weight: 620; }

.task-card-copy {
  max-width: 54ch;
  color: var(--fg-dim);
  font-size: 12.5px;
}

.task-card-action {
  align-self: end;
  color: var(--accent);
  font: 11.5px var(--mono);
}

@media (max-width: 1100px) {
  .grid, .grid-even { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .task-grid { grid-template-columns: minmax(0, 1fr); }
  .task-card { min-height: 0; }
}

@media (max-width: 640px) {
  .shell { padding: 16px 12px; }
  .topbar { padding: 0 12px; gap: 12px; height: 52px; }
  .topbar-tail { display: none; }
  .brand-sub { display: none; }
  .language-switcher { margin-left: auto; }
  .nav-menu-toggle {
    position: relative;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 34px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--bg-elev);
    color: var(--fg);
    font: 600 12px var(--sans);
    cursor: pointer;
  }
  .nav-menu-toggle:hover { border-color: var(--accent-dim); }
  .nav-menu-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .menu-icon { color: var(--accent); font-size: 15px; line-height: 1; }
  .nav-backdrop {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: calc(100vh - 52px);
    padding: 0;
    border: 0;
    background: rgba(7, 10, 15, 0.72);
    cursor: default;
  }
  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 12px;
    right: 12px;
    z-index: 2;
    display: none;
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-elev);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
  }
  .nav.is-open { display: flex; }
  .navlink { width: 100%; padding: 10px 12px; }
}

/* ---------- 面板 ---------- */

.panel {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
}

.panel-title {
  margin: 0;
  font-size: 13px;
  font-weight: 620;
  letter-spacing: 0.02em;
}

.panel-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.panel-actions { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }

.panel-body { padding: 14px; }

.result-region { min-width: 0; }

.submit-feedback {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 18px;
  margin-top: 8px;
  color: var(--fg-dim);
  font-size: 11.5px;
}

.submit-feedback-pending { color: var(--warn); }
.result-jump { font-family: var(--mono); font-size: 11px; }

.output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.output-head .sect-label { margin-bottom: 0; }
.copy-control { display: inline-flex; align-items: center; gap: 8px; }
.copy-btn { white-space: nowrap; }
.copy-status { min-width: 0; color: var(--fg-dim); font-size: 11px; }
.copy-status-ok { color: var(--ok); }
.copy-status-error { color: var(--err); }

.result-state {
  margin-bottom: 10px;
  color: var(--ok);
  font-family: var(--mono);
  font-size: 11.5px;
}

/* ---------- 表单 ---------- */

.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }

.label {
  font-size: 11px;
  color: var(--fg-dim);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.textarea, .input, .select {
  width: 100%;
  background: var(--bg-sunken);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  resize: vertical;
}

.textarea:focus, .input:focus, .select:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(76, 194, 255, 0.09);
}

:where(a, button, input, textarea, select):focus-visible {
  outline: 2px solid var(--accent) !important;
  outline-offset: 2px;
}

.textarea { min-height: 92px; }
.textarea.tall { min-height: 220px; }
.textarea.proto { min-height: 190px; }
.select { font-family: var(--sans); font-size: 13px; }

.row-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }

@media (max-width: 640px) { .row-2 { grid-template-columns: minmax(0, 1fr); } }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--fg);
  border-radius: 7px;
  padding: 6px 13px;
  font-size: 12.5px;
  font-family: var(--sans);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}

.btn:hover { border-color: var(--accent-dim); color: #fff; }

.btn-primary {
  background: #12354a;
  border-color: var(--accent-dim);
  color: #cdefff;
  font-weight: 560;
}

.btn-primary:hover { background: #17415a; }

.btn-sm { padding: 3px 9px; font-size: 11.5px; }

.checkline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--fg-dim);
  cursor: pointer;
  user-select: none;
}

.checkline input { accent-color: var(--accent); width: 14px; height: 14px; }

.hint { color: var(--fg-faint); font-size: 11.5px; font-family: var(--mono); }

.data-notice {
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 1px solid #345267;
  border-radius: 8px;
  background: #0d1a23;
  color: var(--fg-dim);
  font-size: 12px;
}

.data-notice p { margin: 4px 0 6px; }
.data-notice-title { color: var(--fg); font-weight: 620; }
.data-notice a { font-size: 11.5px; }

/* ---------- 结果展示 ---------- */

.banner {
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 12.5px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  margin-bottom: 12px;
}

.banner-err { border-color: #53242b; background: #1e0f13; color: #ffc4ca; }
.banner-ok { border-color: #1e4426; background: #0d1a10; color: #b7f0c0; }
.banner-info { border-color: var(--line); color: var(--fg-dim); }

.banner-title {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
  opacity: 0.8;
}

.actionable-error p { margin: 4px 0; }
.error-reason { color: var(--fg); }
.error-action { color: var(--fg-dim); }
.technical-details { margin-top: 8px; color: var(--fg-dim); }
.technical-details summary { cursor: pointer; color: var(--accent); }
.technical-details code {
  display: block;
  max-height: 160px;
  margin-top: 6px;
  overflow: auto;
  color: var(--fg-faint);
  white-space: pre-wrap;
  word-break: break-word;
}

.kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 12px;
}

.kv > div { background: var(--bg-sunken); padding: 8px 11px; }

.kv dt {
  margin: 0 0 2px;
  font-size: 10.5px;
  color: var(--fg-faint);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kv dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg);
  word-break: break-all;
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 8px; }

.mobile-fields { display: none; }

.mobile-field {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-sunken);
}

.mobile-field + .mobile-field { margin-top: 8px; }

.mobile-field summary {
  display: grid;
  gap: 5px;
  padding: 11px 12px;
  cursor: pointer;
  list-style: none;
}

.mobile-field summary::-webkit-details-marker { display: none; }
.mobile-field summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font: 16px var(--mono);
  line-height: 1;
}

.mobile-field[open] summary::after { content: "-"; }
.mobile-field summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.mobile-field-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.mobile-field-path {
  color: var(--accent);
  font: 12px var(--mono);
  overflow-wrap: anywhere;
}

.mobile-field-kind {
  color: var(--violet);
  font: 11px var(--mono);
  overflow-wrap: anywhere;
}

.mobile-field-value {
  color: var(--fg);
  font: 12.5px var(--mono);
  overflow-wrap: anywhere;
}

.mobile-field-details {
  padding: 0 12px 12px;
  border-top: 1px solid var(--line-soft);
}

.mobile-kv {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 10px 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.mobile-kv > div { min-width: 0; padding: 7px 8px; background: var(--bg-elev); }
.mobile-kv dt { color: var(--fg-faint); font: 10px var(--mono); text-transform: uppercase; }
.mobile-kv dd { margin: 2px 0 0; color: var(--fg); font: 11.5px var(--mono); overflow-wrap: anywhere; }
.mobile-raw { word-break: break-all; }
.mobile-detail-label { margin: 8px 0 5px; color: var(--fg-faint); font: 10.5px var(--mono); text-transform: uppercase; }
.mobile-note { margin: 0; color: var(--fg-dim); font-size: 12px; overflow-wrap: anywhere; }

@media (max-width: 620px) {
  .desktop-fields { display: none; }
  .mobile-fields { display: block; }
}

.ftable {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
}

.ftable th {
  text-align: left;
  padding: 7px 10px;
  background: var(--bg-sunken);
  color: var(--fg-faint);
  font-weight: 500;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

.ftable td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  word-break: break-word;
}

.ftable tr:last-child td { border-bottom: none; }
.ftable tbody tr:hover { background: rgba(255,255,255,0.018); }

.num { color: var(--accent); white-space: nowrap; }
.wire { color: var(--fg-faint); white-space: nowrap; }
.kind { color: var(--violet); white-space: nowrap; }
.val { color: var(--fg); }
.raw { color: var(--fg-faint); font-size: 11px; }
.path { color: var(--fg-faint); white-space: nowrap; }
.d1 { padding-left: 26px !important; }
.d2 { padding-left: 44px !important; }
.d3 { padding-left: 62px !important; }
.d4 { padding-left: 80px !important; }

.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 3px; }

.chip {
  font-family: var(--mono);
  font-size: 10.5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--fg-dim);
  background: var(--bg-sunken);
  white-space: nowrap;
}

.chip b { color: var(--fg-faint); font-weight: 500; }
.chip.is-primary { border-color: var(--accent-dim); color: #bfe8ff; }
.chip.is-primary b { color: var(--accent); }

.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--fg-dim);
}

.badge-ok { color: var(--ok); border-color: #1e4426; }
.badge-warn { color: var(--warn); border-color: #4a3a12; }
.badge-err { color: var(--err); border-color: #53242b; }

pre.dump, pre.json {
  margin: 0;
  padding: 11px;
  background: var(--bg-sunken);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--fg-dim);
  white-space: pre;
}

pre.json { color: #b7f0c0; max-height: 340px; overflow: auto; }

.empty {
  padding: 26px 14px;
  text-align: center;
  color: var(--fg-faint);
  font-size: 12.5px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.sect-label {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
  margin: 0 0 7px;
}

.sect + .sect { margin-top: 16px; }

.privacy-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--fg-dim);
}

.privacy-list li { padding-left: 3px; }

.frame-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 7px 11px;
  background: var(--bg-sunken);
  border: 1px solid var(--line-soft);
  border-radius: 8px 8px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-dim);
}

.frame-head + .table-wrap { border-radius: 0 0 8px 8px; border-top: none; }

.frame-block { margin-bottom: 14px; }
.frame-block:last-child { margin-bottom: 0; }

.msgpick { display: flex; flex-wrap: wrap; gap: 5px; }

.msgpick button {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  color: var(--fg-dim);
  border-radius: 5px;
  padding: 2px 8px;
  cursor: pointer;
}

.msgpick button:hover { color: #fff; border-color: var(--accent-dim); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } }

footer.foot {
  max-width: 1520px;
  margin: 0 auto;
  padding: 20px 24px 40px;
  color: var(--fg-faint);
  font-size: 11.5px;
  font-family: var(--mono);
  border-top: 1px solid var(--line-soft);
}

.foot-note { text-align: left; }

.foot-links { margin-top: 8px; }

.foot-icp {
  margin-top: 8px;
  text-align: center;
}