/* ============================================
   Gamma-Net Public Falsification Platform
   Style — responsive, clinical, zero-decoration
   ============================================ */

:root {
  --bg: #0f1117;
  --surface: #1a1d26;
  --border: #2a2d36;
  --text: #e0e0e0;
  --text-dim: #888;
  --accent: #4fc3f7;
  --warn: #ffa726;
  --danger: #ef5350;
  --safe: #66bb6a;
  --mono: 'Courier New', 'Consolas', monospace;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  text-align: center;
  padding: 2rem 1rem 1rem;
  border-bottom: 1px solid var(--border);
}
.header h1 {
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.header .subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 0.3rem;
}
.header .philosophy {
  color: var(--warn);
  font-style: italic;
  margin-top: 0.5rem;
  font-size: 0.85rem;
}
.header .disclaimer {
  color: var(--text-dim);
  font-size: 0.72rem;
  margin-top: 0.6rem;
  line-height: 1.5;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* Loading */
#loading {
  text-align: center;
  padding: 3rem;
  color: var(--accent);
  font-size: 1.1rem;
}
#loading .spinner {
  display: inline-block;
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 0.5rem;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Main Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

/* Three Walls */
.walls-banner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 1rem 0;
}
.wall-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem;
  text-align: center;
}
.wall-card .wall-num {
  font-size: 1.2rem;
  color: var(--accent);
  font-weight: bold;
}
.wall-card .wall-title {
  font-size: 0.8rem;
  color: var(--text);
  margin-top: 0.2rem;
}
.wall-card .wall-desc {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

/* Input Panel */
.input-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  margin: 1rem 0;
}
.input-panel h2 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.6rem;
}

.input-group {
  display: flex;
  flex-direction: column;
}
.input-group label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}
.input-group input, .input-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  font-family: var(--mono);
}
.input-group input:focus, .input-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-group {
  flex-direction: row;
  align-items: center;
  gap: 0.4rem;
}
.checkbox-group input[type="checkbox"] {
  accent-color: var(--accent);
}

.btn-row {
  margin-top: 1rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-preset {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.75rem;
  padding: 0.35rem 0.8rem;
}
.btn-preset:hover { border-color: var(--accent); color: var(--accent); }
.btn-preset.active { border-color: var(--accent); color: var(--accent); }

/* Results */
#results { display: none; }
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}
.result-card h3 {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

/* Textbook lines */
.tb-line {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.2rem 0;
  display: flex;
  justify-content: space-between;
}
.tb-label { color: var(--text-dim); }
.tb-value { font-weight: 600; }
.risk-low { color: var(--safe); }
.risk-moderate, .risk-borderline, .risk-indeterminate { color: var(--warn); }
.risk-high, .risk-resistant, .risk-very_high { color: var(--danger); }

/* Gamma bar chart */
.gamma-bar-row {
  display: flex;
  align-items: center;
  padding: 0.15rem 0;
  font-size: 0.75rem;
  font-family: var(--mono);
}
.gamma-bar-label {
  width: 80px;
  color: var(--text-dim);
  text-align: right;
  padding-right: 0.5rem;
  flex-shrink: 0;
}
.gamma-bar-track {
  flex: 1;
  height: 14px;
  background: var(--bg);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.gamma-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.4s ease;
}
.gamma-bar-val {
  width: 65px;
  text-align: right;
  padding-left: 0.4rem;
  flex-shrink: 0;
  color: var(--text);
}

/* Radar Canvas */
.radar-container {
  display: flex;
  justify-content: center;
  margin: 0.5rem 0;
}
canvas#radarChart {
  max-width: 320px;
  max-height: 320px;
}

/* D_Z Panel */
.dz-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.15rem 0;
  border-bottom: 1px dotted var(--border);
}
.dz-big {
  text-align: center;
  padding: 0.8rem 0;
}
.dz-big .num {
  font-size: 2rem;
  font-weight: bold;
  font-family: var(--mono);
  color: var(--warn);
}
.dz-big .unit {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Cross-comparison */
.cross-section {
  margin-top: 0.6rem;
  padding: 0.6rem;
  background: var(--bg);
  border-radius: 4px;
  font-size: 0.78rem;
}
.cross-title {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.cross-line {
  color: var(--text-dim);
  padding: 0.1rem 0;
  font-family: var(--mono);
}
.cross-insight {
  color: var(--warn);
  font-style: italic;
  margin-top: 0.3rem;
}

/* Full-width cards */
.full-width { grid-column: 1 / -1; }

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
.footer a { color: var(--accent); text-decoration: none; }

/* Responsive */
@media (max-width: 768px) {
  .results-grid { grid-template-columns: 1fr; }
  .walls-banner { grid-template-columns: 1fr; }
  .input-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .input-grid { grid-template-columns: 1fr; }
}