/* Shared Dictionary Compression Demo */

:root {
  --cf-orange: #f6821f;
  --cf-blue: #003682;
  --cf-dark: #1a1a2e;
  --cf-gray-50: #f9fafb;
  --cf-gray-100: #f3f4f6;
  --cf-gray-200: #e5e7eb;
  --cf-gray-300: #d1d5db;
  --cf-gray-500: #6b7280;
  --cf-gray-700: #374151;
  --cf-gray-900: #111827;
  --cf-green: #10b981;
  --cf-red: #ef4444;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--cf-gray-50);
  color: var(--cf-gray-900);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--cf-dark);
  margin-bottom: 0.75rem;
}

.subtitle {
  font-size: 1.05rem;
  color: var(--cf-gray-500);
  max-width: 700px;
  margin: 0 auto 1rem;
}

.compat-note {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  display: inline-block;
}

.compat-ok {
  background: #ecfdf5;
  color: #065f46;
}

.compat-warn {
  background: #fffbeb;
  color: #92400e;
}

/* Step cards */
.step-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.step-card {
  background: #fff;
  border: 1px solid var(--cf-gray-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--cf-orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.step-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cf-gray-700);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--cf-gray-500);
  margin-bottom: 1rem;
}

.step-desc code {
  background: var(--cf-gray-100);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.85em;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

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

.btn-primary {
  background: var(--cf-orange);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: #e5750e;
}

/* Result cards */
.result-card {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--cf-gray-50);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.result-metric {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cf-gray-500);
}

.metric-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cf-gray-900);
  font-variant-numeric: tabular-nums;
}

.metric-value.highlight {
  color: var(--cf-orange);
}

.result-tag {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  text-align: center;
}

.result-tag-ok {
  background: #ecfdf5;
  color: #065f46;
}

/* Summary chart */
.summary {
  background: #fff;
  border: 1px solid var(--cf-gray-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.summary h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--cf-gray-700);
}

.chart-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.chart-label {
  width: 2rem;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--cf-gray-700);
  text-align: right;
}

.chart-bars {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chart-bar {
  height: 26px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  min-width: 2%;
  transition: width 0.5s ease;
}

.chart-bar-br {
  background: var(--cf-gray-300);
}

.chart-bar-actual {
  background: var(--cf-blue);
}

.chart-bar-dcz {
  background: var(--cf-orange);
}

.chart-bar-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.chart-bar-br .chart-bar-text {
  color: var(--cf-gray-700);
}

/* Info panel */
.info-panel {
  margin-top: 2rem;
}

.info-panel details {
  background: #fff;
  border: 1px solid var(--cf-gray-200);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
}

.info-panel summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--cf-gray-700);
  font-size: 0.95rem;
}

.info-panel summary:hover {
  color: var(--cf-orange);
}

.details-content {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--cf-gray-500);
  line-height: 1.7;
}

.details-content ol,
.details-content ul {
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.details-content li {
  margin-bottom: 0.5rem;
}

.details-content code {
  background: var(--cf-gray-100);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.85em;
}

/* Footer */
footer {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--cf-gray-500);
}

footer a {
  color: var(--cf-orange);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 700px) {
  .step-row {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 1rem;
  }
}