/* cytoscape-euler-wasm demo styles — light theme */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #f5f5f5;
  color: #333;
  height: 100vh;
  overflow: hidden;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Header ─────────────────────────────────────────────────────── */

.header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 16px;
  background: #fff;
  border-bottom: 1px solid #ddd;
  flex-shrink: 0;
}

.header h1 {
  font-size: 16px;
  font-weight: 700;
  color: #c0392b;
  margin: 0;
}

.subtitle {
  font-size: 12px;
  color: #888;
}

/* ── Progress Bar (centered overlay on the canvas) ──────────────── */

.progress-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.92);
  padding: 16px 24px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.progress-label {
  font-size: 13px;
  font-weight: 600;
  color: #333;
}

.progress-bar {
  position: relative;
  width: 260px;
  height: 8px;
  background: #e0e0e0;
  border-radius: 4px;
  border: 1px solid #ccc;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #c0392b, #e74c3c);
  width: 0%;
  transition: width 0.15s ease-out;
  border-radius: 4px;
}

.progress-fill.js {
  background: linear-gradient(90deg, #6c3483, #8e44ad);
}

.progress-text {
  font-size: 12px;
  font-weight: 700;
  color: #c0392b;
  font-variant-numeric: tabular-nums;
}

.progress-text.js {
  color: #6c3483;
}

/* ── Cytoscape Canvas ───────────────────────────────────────────── */

.cy-container {
  flex: 1;
  position: relative;
  min-height: 0;
}

#cy {
  width: 100%;
  height: 100%;
  background: #fff;
}

/* ── Controls ───────────────────────────────────────────────────── */

.controls {
  display: flex;
  gap: 12px;
  padding: 10px 16px;
  background: #fafafa;
  border-top: 1px solid #ddd;
  flex-shrink: 0;
  max-height: 40vh;
  overflow-y: auto;
}

.control-group {
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 8px 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
  background: #fff;
}

.control-group.graph-group {
  flex: 5;
}

.control-group.layout-group {
  flex: 12;
}

.control-group.run-group {
  flex: 3;
}

.control-group legend {
  font-size: 11px;
  font-weight: 600;
  color: #c0392b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 6px;
}

.control-group label {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #555;
}

.control-group input[type="number"] {
  width: 72px;
  padding: 4px 6px;
  font-size: 12px;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: #333;
  text-align: center;
}

.control-group input.narrow-input {
  width: 50px;
}

.control-group input[type="number"]:focus {
  outline: none;
  border-color: #c0392b;
  box-shadow: 0 0 0 2px rgba(192, 57, 43, 0.15);
}

.control-group span {
  color: #888;
  font-size: 12px;
}

.thread-control {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hint {
  font-size: 10px;
  color: #999;
}

/* ── Buttons ────────────────────────────────────────────────────── */

.btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: #3498db;
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: #2980b9;
}

.btn-wasm {
  background: #c0392b;
  color: #fff;
}
.btn-wasm:hover:not(:disabled) {
  background: #e74c3c;
}

.btn-js {
  background: #6c3483;
  color: #fff;
}
.btn-js:hover:not(:disabled) {
  background: #8e44ad;
}

.btn-compare {
  background: #27ae60;
  color: #fff;
  font-weight: 700;
}
.btn-compare:hover:not(:disabled) {
  background: #2ecc71;
}

.btn-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ── Results ────────────────────────────────────────────────────── */

.results {
  display: flex;
  gap: 16px;
  padding: 8px 16px;
  background: #fff;
  border-top: 1px solid #ddd;
  align-items: center;
  flex-wrap: wrap;
  flex-shrink: 0;
  min-height: 40px;
}

.result-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-engine {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 52px;
}

#result-wasm .result-engine { color: #c0392b; }
#result-js .result-engine { color: #6c3483; }

.result-value {
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #222;
}

.result-detail {
  font-size: 11px;
  color: #888;
}

.speedup .result-engine {
  color: #27ae60 !important;
}

.speedup-good { color: #27ae60 !important; }
.speedup-ok { color: #d4a017 !important; }
.speedup-bad { color: #c0392b !important; }

.result-placeholder {
  font-size: 12px;
  color: #999;
  font-style: italic;
}

/* ── Utility ────────────────────────────────────────────────────── */

.hidden {
  display: none !important;
}