/* ── Design tokens ── */
:root {
  --bg:         #07070e;
  --surface:    #0f0f1a;
  --surface2:   #171726;
  --border:     #22223a;
  --hf:         #FFD21E;
  --hf-glow:    rgba(255,210,30,0.15);
  --vllm:       #818cf8;
  --vllm-glow:  rgba(129,140,248,0.15);
  --text:       #e2e2f0;
  --muted:      #64648a;
  --green:      #34d399;
  --red:        #f87171;
  --mono:       'Space Mono', monospace;
  --sans:       'DM Sans', sans-serif;
  --radius:     12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--surface2);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Animations ── */
@keyframes spin   { to { transform: rotate(360deg); } }
@keyframes pulse  { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.3; transform:scale(1.6); } }
@keyframes fadein { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }

/* ── Layout ── */
.wrap {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px 96px;
  z-index: 1;
}

/* ── Background decoration ── */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(129,140,248,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,210,30,.015) 1px, transparent 1px);
  background-size: 48px 48px;
}
.bg-orb {
  position: fixed; border-radius: 50%; filter: blur(140px); pointer-events: none; z-index: 0;
}
.bg-orb-a { width:700px; height:500px; background:rgba(129,140,248,.06); top:-180px; right:-180px; }
.bg-orb-b { width:500px; height:400px; background:rgba(255,210,30,.04);  bottom:-80px; left:-120px; }

/* ── Header ── */
.header { margin-bottom: 52px; }
.header h1 {
  font-family: var(--mono);
  font-size: clamp(24px, 4.5vw, 40px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hf-col   { color: var(--hf); }
.vllm-col { color: var(--vllm); }
.dim-col  { color: var(--muted); font-size: 0.5em; letter-spacing: 0; }

.pills { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 9px; border: 1px solid var(--border);
  font-family: var(--mono); font-size: 11px;
  transition: transform .2s, border-color .2s, background .2s;
  cursor: pointer;
}
.pill:hover { transform: translateY(-2px); }
.pill-hf   { color: var(--hf);   border-color: rgba(255,210,30,.3);   background: rgba(255,210,30,.05); }
.pill-hf:hover   { border-color: var(--hf); }
.pill-vllm { color: var(--vllm); border-color: rgba(129,140,248,.3);  background: rgba(129,140,248,.05); }
.pill-vllm:hover { border-color: var(--vllm); }
.pill-sep  { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: .15em; }

.header-sub { font-size: 14px; color: var(--muted); font-weight: 300; line-height: 1.7; max-width: 560px; }

/* ── Controls ── */
.controls { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }

.seg {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
}
.seg-btn {
  background: none; border: none; border-right: 1px solid var(--border);
  color: var(--muted); font-family: var(--mono); font-size: 11px;
  padding: 8px 14px; cursor: pointer;
  transition: background .15s, color .15s;
  white-space: nowrap; line-height: 1;
}
.seg-btn:last-child { border-right: none; }
.seg-btn:hover   { background: var(--surface2); color: var(--text); }
.seg-btn.on      { background: var(--surface2); color: var(--text); font-weight: 700; }

.token-wrap { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.token-label { font-family: var(--mono); font-size: 11px; color: var(--muted); white-space: nowrap; }
.token-input {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-family: var(--mono); font-size: 11px;
  padding: 8px 12px; width: 210px; outline: none; transition: border-color .2s;
}
.token-input:focus { border-color: var(--vllm); }
.token-input::placeholder { color: var(--muted); }

/* ── Stats ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }

.stat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px;
}
.stat-card.hf-card   { border-top: 2px solid var(--hf); }
.stat-card.vllm-card { border-top: 2px solid var(--vllm); }

.stat-card-title {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: .12em; color: var(--muted); margin-bottom: 16px;
}
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; animation: pulse 2s ease-in-out infinite; flex-shrink: 0; }
.hf-dot   { background: var(--hf); }
.vllm-dot { background: var(--vllm); }

.stat-nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.stat-num .n {
  font-family: var(--mono); font-size: 21px; font-weight: 700;
  letter-spacing: -.5px; line-height: 1;
}
.hf-card   .stat-num .n { color: var(--hf); }
.vllm-card .stat-num .n { color: var(--vllm); }
.stat-num .l { font-size: 10px; color: var(--muted); margin-top: 5px; }

.load-bar { height: 2px; background: var(--border); border-radius: 1px; overflow: hidden; margin-top: 14px; }
.load-fill { height: 100%; border-radius: 1px; transition: width .35s ease; }
.hf-fill   { background: linear-gradient(90deg, var(--hf), #fb923c); }
.vllm-fill { background: linear-gradient(90deg, var(--vllm), #a78bfa); }

.load-msg { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 6px; min-height: 14px; }
.msg-ok  { color: var(--green); }
.msg-err { color: var(--red); }

/* ── Chart card ── */
.chart-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 32px; margin-bottom: 24px;
}
.chart-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; flex-wrap: wrap; gap: 10px;
}
.chart-title {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .12em;
  display: flex; align-items: center; gap: 8px;
}
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s ease-in-out infinite; }
.chart-legend { display: flex; gap: 18px; }
.cleg { display: flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.cleg-sw { width: 20px; height: 3px; border-radius: 2px; }

.chart-wrap { position: relative; height: 390px; }
.chart-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px;
  background: var(--surface); border-radius: 8px;
}
.spinner { width: 36px; height: 36px; border: 3px solid var(--border); border-top-color: var(--vllm); border-radius: 50%; animation: spin .8s linear infinite; }
.overlay-msg { font-family: var(--mono); font-size: 11px; color: var(--muted); text-align: center; line-height: 1.8; }

/* ── Heatmap ── */
.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px;
}
.panel-title {
  font-family: var(--mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: .12em; color: var(--muted); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.badge { font-size: 9px; padding: 2px 7px; border-radius: 20px; font-family: var(--mono); }
.hf-badge   { background: rgba(255,210,30,.12);  color: var(--hf); }
.vllm-badge { background: rgba(129,140,248,.18); color: var(--vllm); }

.heat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(30px, 1fr)); gap: 4px; }
.heat-cell {
  aspect-ratio: 1; border-radius: 5px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: default; transition: transform .15s; border: 1px solid transparent; position: relative;
}
.heat-cell:hover { transform: scale(1.2); z-index: 5; border-color: rgba(255,255,255,.12); }
.heat-cell .hv { font-family: var(--mono); font-size: 8px; font-weight: 700; color: rgba(255,255,255,.88); }
.heat-cell .hl { font-size: 6px; color: rgba(255,255,255,.35); margin-top: 1px; }
.heat-tip {
  position: absolute; bottom: calc(100% + 5px); left: 50%; transform: translateX(-50%);
  background: #1e1e32; border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 8px; white-space: nowrap; font-size: 9px;
  font-family: var(--mono); color: var(--text); pointer-events: none;
  display: none; z-index: 100;
}
.heat-cell:hover .heat-tip { display: block; }

/* ── Recent PRs ── */
.pr-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 8px; margin: 0 -8px; border-bottom: 1px solid var(--border);
  border-radius: 4px; transition: background .15s;
}
.pr-item:last-child { border-bottom: none; }
.pr-item:hover { background: var(--surface2); }
.pr-num { font-family: var(--mono); font-size: 10px; flex-shrink: 0; width: 50px; }
.pr-num-hf   { color: var(--hf); }
.pr-num-vllm { color: var(--vllm); }
.pr-title { font-size: 12px; color: var(--text); flex: 1; line-height: 1.45; }
.pr-title a:hover { color: var(--hf); }
.vllm-card .pr-title a:hover { color: var(--vllm); }
.pr-date { font-family: var(--mono); font-size: 10px; color: var(--muted); flex-shrink: 0; white-space: nowrap; }

.section-faded { animation: fadein .4s ease both; }

/* ── Footer ── */
.footer {
  text-align: center; font-family: var(--mono); font-size: 10px; color: var(--muted);
  margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--border); line-height: 1.9;
}
.footer a { color: var(--hf); }

/* ── Cache bar ── */
.cache-bar {
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px;
  padding: 8px 14px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--border);
  font-family: var(--mono); font-size: 10px; color: var(--muted);
  flex-wrap: wrap;
}
.cache-bar .cb-dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
.cb-cached { background: var(--green); }
.cb-live    { background: var(--hf); }
.cache-btn {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  color: var(--muted); font-family: var(--mono); font-size: 10px;
  padding: 4px 10px; cursor: pointer; transition: border-color .2s, color .2s;
  margin-left: auto;
}
.cache-btn:hover { border-color: var(--vllm); color: var(--text); }

/* ── PR list expand ── */
.pr-list-scroll { max-height: 480px; overflow-y: auto; }
.pr-toggle {
  display: block; width: 100%; margin-top: 10px; padding: 8px 0;
  background: none; border: 1px solid var(--border); border-radius: 8px;
  font-family: var(--mono); font-size: 11px; cursor: pointer;
  transition: border-color .2s, color .2s;
}
.pr-toggle-hf   { color: var(--hf); }
.pr-toggle-hf:hover { border-color: var(--hf); }
.pr-toggle-vllm  { color: var(--vllm); }
.pr-toggle-vllm:hover { border-color: var(--vllm); }

@media (max-width: 680px) {
  .two-col { grid-template-columns: 1fr; }
  .stat-nums { grid-template-columns: repeat(2, 1fr); }
  .token-wrap { margin-left: 0; width: 100%; }
  .token-input { width: 100%; }
  .wrap { padding: 32px 16px 64px; }
}