/* ============ 主题变量 ============ */
:root {
  --font: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Consolas, monospace;
  --bg: #0b100f;
  --bg-grad: radial-gradient(1200px 600px at 12% -8%, #12352b 0%, transparent 60%),
             radial-gradient(900px 500px at 92% 4%, #10283a 0%, transparent 55%);
  --paper: #121a18;
  --paper-2: #16201d;
  --line: #23302c;
  --line-soft: #1b2724;
  --ink: #e7efec;
  --muted: #8ba39b;
  --faint: #5f726c;
  --accent: #2fd39a;
  --accent-dim: #1d8d68;
  --accent-soft: #2fd39a1a;
  --warn: #f0a35e;
  --danger: #f0706a;
  --ok: #2fd39a;
  --shadow: 0 8px 30px #00000040;
  --radius: 14px;
}
[data-theme="light"] {
  --bg: #f3f7f5;
  --bg-grad: radial-gradient(1100px 560px at 10% -10%, #dff3ea 0%, transparent 62%),
             radial-gradient(820px 460px at 94% 2%, #e2eefb 0%, transparent 58%);
  --paper: #ffffff;
  --paper-2: #f7fbf9;
  --line: #dbe6e0;
  --line-soft: #e8f0ec;
  --ink: #14231f;
  --muted: #6d837b;
  --faint: #93a7a0;
  --accent: #1f9c72;
  --accent-dim: #17805d;
  --accent-soft: #1f9c721a;
  --warn: #c9762b;
  --danger: #cb4b45;
  --ok: #1f9c72;
  --shadow: 0 6px 26px #1d342a12;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
[hidden] { display: none !important; }
body {
  font-family: var(--font);
  background-color: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
button, select, input, textarea { font: inherit; color: inherit; }
button, select, summary { cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.tabular { font-variant-numeric: tabular-nums; }

/* ============ 布局 ============ */
.shell { max-width: 1560px; margin: 0 auto; padding: 34px 32px 24px; }

.heading { margin-bottom: 26px; }
.eyebrow {
  display: flex; align-items: center; gap: 9px;
  font-size: 11px; font-weight: 700; letter-spacing: 2.4px;
  color: var(--accent); text-transform: uppercase;
}
.signal {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.title-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
h1 {
  margin: 12px 0 6px;
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 750; letter-spacing: -1.1px; line-height: 1.2;
}
.title-dot { color: var(--accent); }
.home-link {
  font-size: 12.5px; color: var(--muted); border: 1px solid var(--line);
  padding: 7px 13px; border-radius: 999px; white-space: nowrap;
  transition: all .18s ease;
}
.home-link:hover { color: var(--accent); border-color: var(--accent-dim); text-decoration: none; }
.lede { margin: 0; color: var(--muted); font-size: 13.5px; letter-spacing: .3px; }
.protocol { display: flex; flex-wrap: wrap; margin: 22px 0 0; }
.protocol > span {
  font-size: 11.5px; color: var(--muted);
  padding: 0 20px; border-right: 1px solid var(--line); white-space: nowrap;
}
.protocol > span:first-child { padding-left: 0; }
.protocol > span:last-child { border-right: 0; }
.protocol b { font-size: 13.5px; color: var(--ink); font-variant-numeric: tabular-nums; margin-right: 5px; }

/* ============ 分组标签 ============ */
.group-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 18px; padding-bottom: 2px;
}
.group-tab {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 15px; font-size: 12.5px;
  background: var(--paper); color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  transition: all .16s ease;
}
.group-tab:hover { border-color: var(--accent-dim); color: var(--ink); }
.group-tab[aria-current="true"] {
  background: var(--accent-soft); color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  font-weight: 620;
}
.group-tab .tab-count {
  font-family: var(--mono); font-size: 10.5px; color: var(--faint);
  padding: 1px 6px; border-radius: 999px; background: var(--paper-2);
}
.group-tab[aria-current="true"] .tab-count { color: var(--accent); background: transparent; }
.group-tab .tab-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); animation: pulse 1.3s ease-in-out infinite;
}
.group-tab.is-idle .tab-dot { background: var(--faint); animation: none; }
.group-tab.is-unconfigured { opacity: .62; }

/* ============ 模型筛选 ============ */
.model-filter {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 11px 16px; margin-bottom: 18px;
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  border: 1px solid var(--line); border-radius: 11px;
}
.filter-label { font-size: 11px; color: var(--faint); letter-spacing: .7px; text-transform: uppercase; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; min-width: 0; }
.filter-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; font-size: 11.5px; font-family: var(--mono);
  background: var(--paper-2); color: var(--faint);
  border: 1px solid var(--line); border-radius: 999px;
  transition: all .14s ease; max-width: 100%;
}
.filter-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filter-chip:hover { border-color: var(--accent-dim); color: var(--muted); }
.filter-chip[aria-pressed="true"] {
  background: var(--accent-soft); color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
}
.filter-chip::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: currentColor; opacity: .38; flex-shrink: 0; }
.filter-chip[aria-pressed="true"]::before { opacity: 1; }
button.ghost.tiny { padding: 5px 11px; font-size: 11.5px; }

/* ============ 状态条 ============ */
.status-strip {
  display: grid;
  grid-template-columns: 1fr .95fr 1fr 1.5fr;
  gap: 8px;
  padding: 18px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.strip-item { min-width: 0; padding-right: 16px; border-right: 1px solid var(--line-soft); }
.strip-item:last-child { border-right: 0; padding-right: 0; }
.field-label {
  display: block; font-size: 10px; letter-spacing: .9px;
  color: var(--faint); text-transform: uppercase; margin-bottom: 7px;
}
.strip-item strong { display: block; font-size: 14px; font-weight: 620; letter-spacing: .2px; }
.strip-item .sub { display: block; font-size: 11.5px; color: var(--muted); margin-top: 4px; }
select {
  width: 100%; padding: 9px 11px;
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 9px; font-size: 13px;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* ============ 提示条 ============ */
.banner {
  padding: 11px 16px; border-radius: 10px; font-size: 13px;
  background: color-mix(in srgb, var(--warn) 12%, var(--paper));
  border: 1px solid color-mix(in srgb, var(--warn) 32%, var(--line));
  color: color-mix(in srgb, var(--warn) 82%, var(--ink));
  margin-bottom: 18px;
}
.banner.notice { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 26%, var(--line)); color: color-mix(in srgb, var(--accent) 86%, var(--ink)); }

/* ============ 卡片 ============ */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(430px, 1fr)); gap: 18px; }
.model-card {
  display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color .2s ease;
}
.model-card:hover { border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); }
.card-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 14px; padding: 15px 17px 13px;
}
.model-heading { display: flex; align-items: baseline; gap: 11px; min-width: 0; }
.model-index {
  font-family: var(--mono); font-size: 11px; color: var(--faint);
  letter-spacing: .5px; padding-top: 2px;
}
.model-heading h2 {
  margin: 0; font-size: 15px; font-weight: 640; letter-spacing: -.2px;
  overflow-wrap: anywhere;
}
.model-kind { display: block; font-family: var(--mono); font-size: 10.5px; color: var(--faint); margin-top: 3px; }
.badge {
  flex-shrink: 0; font-size: 10.5px; font-weight: 620; letter-spacing: .3px;
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
  background: var(--paper-2); color: var(--muted); border: 1px solid var(--line);
}
.badge.success { color: var(--ok); background: color-mix(in srgb, var(--ok) 13%, transparent); border-color: color-mix(in srgb, var(--ok) 34%, transparent); }
.badge.running { color: var(--accent); background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 34%, transparent); }
.badge.running::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: currentColor; margin-right: 6px; vertical-align: 1px; animation: pulse 1.3s ease-in-out infinite; }
.badge.failed { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); border-color: color-mix(in srgb, var(--danger) 32%, transparent); }

.preview {
  position: relative; margin: 0 17px;
  aspect-ratio: 16 / 10; min-height: 250px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft); border-radius: 10px;
  overflow: hidden;
}
.preview iframe { width: 100%; height: 100%; border: 0; display: block; background: transparent; }
.preview-click { position: absolute; inset: 0; cursor: zoom-in; background: transparent; border: 0; }
.placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--faint); font-size: 12.5px; padding: 20px; text-align: center;
}
.placeholder svg { width: 56px; height: 56px; opacity: .55; }
.placeholder svg circle, .placeholder svg path { fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }

.card-bottom { padding: 13px 17px 15px; }
.result-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.usage-row { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; font-size: 11px; color: var(--faint); font-family: var(--mono); }
.usage-row b { color: var(--muted); font-weight: 580; }
.result-note { margin: 10px 0 0; font-size: 11.5px; color: var(--muted); line-height: 1.55; }
.result-note.warning { color: color-mix(in srgb, var(--danger) 80%, var(--ink)); }
.card-actions { display: flex; gap: 8px; margin-top: 13px; }
.card-actions button {
  flex: 1; padding: 8px 12px; font-size: 12px;
  background: var(--paper-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px;
  transition: all .16s ease;
}
.card-actions button:hover:not(:disabled) { border-color: var(--accent-dim); color: var(--accent); }
.card-actions button:disabled { opacity: .4; cursor: not-allowed; }

.empty-state { padding: 40px; text-align: center; color: var(--muted); font-size: 13.5px; }

/* ============ 说明区 ============ */
.method {
  margin-top: 34px; padding: 16px 20px;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.method summary {
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600; list-style: none;
}
.method summary::-webkit-details-marker { display: none; }
.method summary::before { content: "▸"; color: var(--accent); transition: transform .18s ease; display: inline-block; }
.method[open] summary::before { transform: rotate(90deg); }
.method-hint { margin-left: auto; font-size: 11.5px; color: var(--faint); font-weight: 400; }
.prompt-label { font-size: 11.5px; color: var(--faint); margin: 16px 0 7px; letter-spacing: .3px; }
blockquote {
  margin: 0; padding: 13px 16px;
  background: var(--paper-2); border-left: 3px solid var(--accent);
  border-radius: 0 9px 9px 0;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.65;
  color: var(--ink); overflow-wrap: anywhere; white-space: pre-wrap;
}
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 4px 26px; margin-top: 16px; }
.method-grid p { font-size: 12px; color: var(--muted); line-height: 1.7; margin: 8px 0; }
.method-grid code, code { font-family: var(--mono); font-size: 11.5px; background: var(--paper-2); padding: 2px 6px; border-radius: 5px; color: var(--accent); }

footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 26px; padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 11.5px; color: var(--faint);
}

/* ============ 预览弹窗 ============ */
.viewer {
  width: min(1280px, 94vw); height: min(88vh, 900px);
  padding: 0; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--paper);
  color: var(--ink); overflow: hidden;
}
.viewer::backdrop { background: #000000a8; backdrop-filter: blur(3px); }
.viewer-heading {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 13px 18px; border-bottom: 1px solid var(--line);
}
.viewer-heading h2 { margin: 0; font-size: 14.5px; font-weight: 620; }
.viewer-meta { margin: 3px 0 0; font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.viewer-actions { display: flex; gap: 8px; }
button.ghost {
  padding: 7px 13px; font-size: 12px;
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 8px; transition: all .16s ease;
}
button.ghost:hover { border-color: var(--accent-dim); color: var(--accent); }
.viewer-content { height: calc(100% - 58px); background: var(--paper-2); }
.viewer-content iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .shell { padding: 24px 18px 18px; }
  .status-strip { grid-template-columns: 1fr 1fr; gap: 16px 8px; }
  .strip-item { border-right: 0; padding-right: 0; }
  .strip-item.wide { grid-column: 1 / -1; }
  .cards { grid-template-columns: 1fr; }
  .protocol > span { padding: 0 13px; }
  .group-tab { padding: 7px 12px; font-size: 12px; }
  .model-filter { padding: 10px 12px; }
  .filter-label { width: 100%; margin-bottom: 2px; }
}