/* ════════════════════════════════════════════════════════
   style.css — JS vs WebAssembly Benchmark
   Layout: Full-screen horizontal, no scroll, 4 panels
   ════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Tokens ───────────────────────────────────────────── */
:root {
  --bg:          #0c0c0c;
  --surface:     #141414;
  --surface-2:   #1c1c1c;
  --border:      #242424;
  --border-2:    #2e2e2e;
  --text:        #efefef;
  --text-2:      #888;
  --text-3:      #444;
  --accent-js:   #f0c040;
  --accent-wasm: #5b9cf6;
  --accent-win:  #4ade80;
  --danger:      #e05c5c;
  --topbar-h:    54px;
  --font:        'Inter', system-ui, sans-serif;
  --mono:        'JetBrains Mono', monospace;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

/* ══════════════════════════════════════════════════════════
   TOP BAR
   ════════════════════════════════════════════════════════ */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

/* Left: badge + title */
.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.topbar-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

.pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-win);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  line-height: 1;
}

.tag-js   { color: var(--accent-js); }
.tag-wasm { color: var(--accent-wasm); }
.vs       { color: var(--text-3); font-weight: 400; margin: 0 4px; }

/* Center: config dropdowns */
.topbar-center {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.config-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.config-item label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.config-item select {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border-2);
  border-radius: 5px;
  padding: 5px 26px 5px 9px;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23444'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  transition: border-color 0.15s;
}

.config-item select:hover { border-color: #444; }

/* Right: buttons */
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s, transform 0.1s;
  line-height: 1;
}

.btn:active  { transform: scale(0.96); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.btn-js   { background: var(--accent-js);   color: #111; border-color: var(--accent-js); }
.btn-wasm { background: var(--accent-wasm); color: #07182e; border-color: var(--accent-wasm); }
.btn-all  { background: transparent; color: var(--text-2); border-color: var(--border-2); }
.btn-all:hover:not(:disabled) { color: var(--text); border-color: #444; }

.btn-js:hover:not(:disabled),
.btn-wasm:hover:not(:disabled) { opacity: 0.82; }

.btn-reset {
  background: transparent;
  color: var(--text-3);
  border-color: transparent;
  padding: 6px 10px;
  font-size: 14px;
}
.btn-reset:hover:not(:disabled) { color: var(--danger); }

/* Pill status WASM */
.wasm-pill {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  background: rgba(0,0,0,0.3);
  border-radius: 3px;
  padding: 2px 5px;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

/* ══════════════════════════════════════════════════════════
   MAIN PANELS — 4 column horizontal, fills remaining height
   ════════════════════════════════════════════════════════ */
.panels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  height: calc(100vh - var(--topbar-h));
  overflow: hidden;
}

/* Each panel */
.panel {
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.panel:last-child { border-right: none; }

/* Panel header row */
.panel-header {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
  flex-shrink: 0;
}

.panel-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-2);
}

/* Colored accent line at top of each panel */
.panel-js   { border-top: 2px solid var(--accent-js); }
.panel-wasm { border-top: 2px solid var(--accent-wasm); }
.panel-compare { border-top: 2px solid var(--border-2); }
.panel-log  { border-top: 2px solid var(--border-2); }

/* Dots */
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-js   { background: var(--accent-js); }
.dot-wasm { background: var(--accent-wasm); }

/* Winner badge */
.winner-badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  color: var(--accent-win);
  border: 1px solid var(--accent-win);
  border-radius: 3px;
  padding: 1px 6px;
  letter-spacing: 0.06em;
  display: none;
}

.is-winner .winner-badge { display: inline-block; }

/* Time display */
.panel-time {
  font-family: var(--mono);
  font-size: 42px;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 5px;
  flex-shrink: 0;
}

.panel-time .unit {
  font-size: 18px;
  color: var(--text-3);
  font-weight: 400;
}

.panel-time.loading {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-3);
  align-items: center;
  gap: 8px;
}

/* Meta label */
.panel-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 16px;
  flex-shrink: 0;
}

/* Progress bar */
.progress-wrap {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
  margin-top: auto;
  flex-shrink: 0;
}

.progress-bar {
  height: 100%;
  border-radius: 1px;
  width: 0%;
  transition: width 0.5s ease;
}

.panel-js   .progress-bar { background: var(--accent-js); }
.panel-wasm .progress-bar { background: var(--accent-wasm); }

/* ── Panel Comparison ─────────────────────────────────── */
.compare-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.muted { color: var(--text-3); font-size: 12px; }

.speedup-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.speedup-number {
  font-family: var(--mono);
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
}

.speedup-number.faster-wasm { color: var(--accent-wasm); }
.speedup-number.faster-js   { color: var(--accent-js); }

.speedup-label {
  font-size: 13px;
  color: var(--text-2);
}

.compare-detail {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  line-height: 1.7;
  margin-top: auto;
}

/* ── Panel Log ────────────────────────────────────────── */
.log-area {
  flex: 1;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  line-height: 1.9;
}

.log-area::-webkit-scrollbar { width: 3px; }
.log-area::-webkit-scrollbar-track { background: transparent; }
.log-area::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

.log-entry { display: flex; gap: 8px; }
.log-ts  { color: var(--text-3); flex-shrink: 0; }
.log-msg { color: var(--text-2); }
.log-msg.ok    { color: var(--accent-win); }
.log-msg.info  { color: var(--accent-wasm); }
.log-msg.warn  { color: var(--accent-js); }
.log-msg.error { color: var(--danger); }

/* ── Spinner ──────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

.spinner {
  display: inline-block;
  width: 11px; height: 11px;
  border: 2px solid var(--border-2);
  border-top-color: var(--text-3);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  flex-shrink: 0;
}