/* vLLM serve 参数学习站 */

:root {
  --bg: #f6f7f9;
  --bg-elev: #ffffff;
  --bg-sunken: #eceef2;
  --fg: #1a1d21;
  --fg-muted: #5c6470;
  --fg-faint: #8a929e;
  --border: #dfe3e9;
  --border-strong: #c6ccd6;
  --accent: #2f6fed;
  --accent-soft: #e8f0fe;
  --warn: #b26a00;
  --warn-soft: #fdf3e3;
  --deep: #0f7a53;
  --deep-soft: #e3f5ec;
  --code-bg: #f0f2f5;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);
  --radius: 10px;
}

html[data-theme="dark"] {
  --bg: #14171c;
  --bg-elev: #1c2027;
  --bg-sunken: #101318;
  --fg: #e6e9ee;
  --fg-muted: #a2abb8;
  --fg-faint: #737d8b;
  --border: #2b313a;
  --border-strong: #3a424e;
  --accent: #6f9bff;
  --accent-soft: #1e2a44;
  --warn: #e0a458;
  --warn-soft: #33290f;
  --deep: #4ec99a;
  --deep-soft: #12301f;
  --code-bg: #262b33;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

code, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

a { color: var(--accent); }

/* ---------------------------------------------------------------- header */
header.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.top-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: baseline; gap: 10px; }

.brand h1 {
  font-size: 17px;
  margin: 0;
  font-weight: 650;
  letter-spacing: -.01em;
}

.ver {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.search-wrap { flex: 1 1 280px; position: relative; min-width: 220px; }

#q {
  width: 100%;
  padding: 8px 34px 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  font-family: inherit;
}

#q:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }

.search-wrap kbd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--fg-faint);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: inherit;
}

.top-actions { display: flex; gap: 8px; align-items: center; }

.btn {
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--fg);
  border-radius: 8px;
  padding: 7px 11px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}

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

/* ---------------------------------------------------------------- layout */
.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

nav.side {
  position: sticky;
  top: 74px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  padding-right: 4px;
}

nav.side h2 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-faint);
  margin: 0 0 8px 8px;
  font-weight: 600;
}

nav.side button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--fg-muted);
  padding: 6px 9px;
  border-radius: 7px;
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  line-height: 1.4;
}

nav.side button:hover { background: var(--bg-sunken); color: var(--fg); }
nav.side button.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

nav.side .cnt {
  font-size: 11px;
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
  flex: none;
}

nav.side button.active .cnt { color: var(--accent); }

/* ------------------------------------------------------------------ main */
.statusbar {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 14px;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.statusbar strong { color: var(--fg); font-variant-numeric: tabular-nums; }

.group {
  margin-bottom: 34px;
  scroll-margin-top: 80px;
}

.group > h2 {
  font-size: 19px;
  margin: 0 0 2px;
  letter-spacing: -.01em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.group > h2 .code { font-size: 12px; color: var(--fg-faint); font-weight: 400; }

.group .intro {
  color: var(--fg-muted);
  font-size: 13.5px;
  max-width: 78ch;
  margin: 6px 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--border-strong);
  white-space: pre-line;
}

/* ----------------------------------------------------------------- cards */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card > summary {
  list-style: none;
  cursor: pointer;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card > summary::-webkit-details-marker { display: none; }

.card > summary:hover { background: var(--bg-sunken); }
.card[open] > summary { border-bottom: 1px solid var(--border); }
.card[open] > summary:hover { background: transparent; }

.flag {
  font-weight: 650;
  font-size: 14px;
  color: var(--fg);
  word-break: break-all;
}

.card[open] .flag { color: var(--accent); }

.alias { font-size: 12px; color: var(--fg-muted); }

.chip {
  font-size: 11.5px;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--fg-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.chip.deep { background: var(--deep-soft); color: var(--deep); border-color: transparent; font-weight: 600; }
.chip.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.chip.dim { color: var(--fg-faint); }

.spacer { flex: 1 1 auto; }

.zh-line {
  color: var(--fg-muted);
  font-size: 13px;
  flex: 1 1 100%;
  margin-top: 2px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card[open] .zh-line { display: none; }

.body { padding: 4px 16px 16px; }

.body h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--fg-faint);
  margin: 16px 0 6px;
  font-weight: 650;
}

.trans { white-space: pre-line; }

.note { border-left: 3px solid var(--deep); padding-left: 0; margin: 0; }

.note .sec {
  padding: 8px 0 8px 13px;
  border-bottom: 1px dashed var(--border);
}
.note .sec:last-child { border-bottom: 0; }

.note .lbl {
  display: inline-block;
  min-width: 52px;
  font-weight: 650;
  color: var(--deep);
  font-size: 13px;
}

.note .txt { white-space: pre-line; }
.note .txt p { margin: 0; }

details.raw { margin-top: 16px; }

details.raw > summary {
  cursor: pointer;
  font-size: 12.5px;
  color: var(--fg-muted);
  padding: 5px 0;
}

details.raw pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--code-bg);
  padding: 11px 13px;
  border-radius: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 6px 0 0;
}

.meta-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--fg-muted);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.meta-row b { color: var(--fg-faint); font-weight: 600; }

.copy {
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--fg-muted);
  border-radius: 6px;
  font-size: 11.5px;
  padding: 2px 7px;
  cursor: pointer;
  font-family: inherit;
  flex: none;
}

.copy:hover { color: var(--accent); border-color: var(--accent); }
.copy.done { color: var(--deep); border-color: var(--deep); }

.empty {
  text-align: center;
  color: var(--fg-faint);
  padding: 60px 20px;
  font-size: 14px;
}

footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  border-top: 1px solid var(--border);
  color: var(--fg-faint);
  font-size: 12.5px;
  line-height: 1.8;
}

footer .caveat {
  color: var(--warn);
  background: var(--warn-soft);
  padding: 10px 13px;
  border-radius: 8px;
  margin-bottom: 14px;
  max-width: 90ch;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; padding: 14px; gap: 14px; }
  nav.side {
    position: static;
    max-height: none;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }
  nav.side h2 { width: 100%; margin-bottom: 2px; }
  nav.side button { width: auto; }
}