/* ============================================
   Microtubule Resonance Simulator — Styles
   Dark bioluminescent theme
   ============================================ */

:root {
  --bg-deep: #0a0e1a;
  --bg-panel: #0f1526;
  --bg-card: #141b2d;
  --bg-hover: #1a2340;
  --border: #1e2a4a;
  --border-glow: #2a4a8a;

  --cyan: #00e5ff;
  --cyan-dim: #0088aa;
  --cyan-glow: rgba(0, 229, 255, 0.3);
  --amber: #ffb300;
  --amber-dim: #aa7700;
  --amber-glow: rgba(255, 179, 0, 0.3);
  --purple: #b388ff;
  --purple-dim: #7c4dff;
  --purple-glow: rgba(179, 136, 255, 0.3);
  --green: #69f0ae;
  --green-dim: #2e7d32;
  --red: #ff5252;
  --red-dim: #c62828;
  --pink: #ff80ab;

  --text: #e0e6f0;
  --text-dim: #8899bb;
  --text-muted: #556688;

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 8px;
  --radius-lg: 12px;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Header ---- */
.app-header {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
  position: relative;
}

.app-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-header .subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 0.3rem;
}

/* ---- Navigation Tabs ---- */
.panel-nav {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  padding: 0 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.panel-tab {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  transition: all 0.2s;
  white-space: nowrap;
}

.panel-tab:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-glow);
}

.panel-tab.active {
  background: var(--bg-hover);
  color: var(--cyan);
  border-color: var(--cyan-dim);
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* ---- Panel Container ---- */
.panel-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

.panel {
  display: none;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  min-height: 500px;
}

.panel.active {
  display: block;
}

.panel-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text);
}

.panel-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
}

/* ---- Canvas Wrapper ---- */
.canvas-wrap {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-deep);
  border: 1px solid var(--border);
}

.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
}

/* ---- Controls Bar ---- */
.controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-top: 1rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-group label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.control-group input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 6px var(--cyan-glow);
}

.control-value {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  min-width: 60px;
}

button.btn {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  transition: all 0.2s;
}

button.btn:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
}

button.btn.active {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---- Info Box ---- */
.info-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.info-box h4 {
  color: var(--cyan);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.info-box p {
  color: var(--text-dim);
}

.info-box .highlight {
  color: var(--amber);
  font-weight: 500;
}

/* ---- Spectrum Legend ---- */
.spectrum-legend {
  display: flex;
  gap: 1.2rem;
  margin-top: 0.8rem;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ---- Temporal Cascade (Panel 3) ---- */
.cascade-timeline {
  position: relative;
  margin-top: 1rem;
}

/* ---- Hypothesis Lab (Panel 5) ---- */
.hypothesis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.hypothesis-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: border-color 0.2s;
  cursor: pointer;
}

.hypothesis-card:hover {
  border-color: var(--border-glow);
}

.hypothesis-card.expanded {
  grid-column: 1 / -1;
}

.hypo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.hypo-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.hypo-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.hypo-claim,
.hypo-test,
.hypo-falsification {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.hypo-claim strong,
.hypo-test strong,
.hypo-falsification strong {
  color: var(--text);
  font-weight: 500;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
}

.status-badge.untested {
  background: rgba(66, 165, 245, 0.15);
  color: #42a5f5;
  border: 1px solid rgba(66, 165, 245, 0.3);
}

.status-badge.supported {
  background: rgba(105, 240, 174, 0.15);
  color: var(--green);
  border: 1px solid rgba(105, 240, 174, 0.3);
}

.status-badge.inconclusive {
  background: rgba(255, 179, 0, 0.15);
  color: var(--amber);
  border: 1px solid rgba(255, 179, 0, 0.3);
}

.status-badge.falsified {
  background: rgba(255, 82, 82, 0.15);
  color: var(--red);
  border: 1px solid rgba(255, 82, 82, 0.3);
}

.status-badge.plausible {
  background: rgba(100, 200, 255, 0.15);
  color: #64c8ff;
  border: 1px solid rgba(100, 200, 255, 0.3);
}

.status-badge.consistent {
  background: rgba(158, 158, 158, 0.15);
  color: #9e9e9e;
  border: 1px solid rgba(158, 158, 158, 0.3);
}

.status-badge.unvalidated {
  background: rgba(206, 147, 216, 0.15);
  color: #ce93d8;
  border: 1px solid rgba(206, 147, 216, 0.3);
}

.hypo-detail {
  display: none;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}

.hypothesis-card.expanded .hypo-detail {
  display: block;
}

.hypo-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.hypo-notes {
  width: 100%;
  min-height: 60px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  padding: 0.5rem;
  resize: vertical;
  margin-top: 0.5rem;
}

.hypo-notes:focus {
  outline: none;
  border-color: var(--cyan-dim);
}

/* ---- Zoom Breadcrumbs (Panel 1) ---- */
.zoom-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 0.8rem;
  font-size: 0.8rem;
}

.breadcrumb {
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.2s;
}

.breadcrumb:hover {
  color: var(--cyan);
}

.breadcrumb.current {
  color: var(--cyan);
  cursor: default;
}

.breadcrumb-sep {
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .app-header h1 { font-size: 1.4rem; }
  .panel { padding: 1rem; }
  .controls { flex-direction: column; align-items: flex-start; }
  .hypothesis-grid { grid-template-columns: 1fr; }
}

/* ---- Glow animations ---- */
@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* ---- Physics Mode Toggle ---- */
.physics-toggle-wrap {
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
}

.physics-toggle-btn {
  font-size: 0.85rem !important;
  padding: 0.5rem 1.2rem !important;
  letter-spacing: 0.02em;
}

.physics-toggle-btn.active {
  background: rgba(179, 136, 255, 0.15) !important;
  border-color: var(--purple) !important;
  color: var(--purple) !important;
  box-shadow: 0 0 12px var(--purple-glow);
}

.physics-toggle-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: opacity 0.3s;
}

/* ---- Physics Controls Bar ---- */
.physics-controls {
  border: 1px solid rgba(179, 136, 255, 0.2);
  background: rgba(179, 136, 255, 0.03);
}

.physics-controls label {
  color: var(--purple) !important;
}

.physics-controls .control-value {
  color: var(--purple);
}

.physics-controls input[type="range"]::-webkit-slider-thumb {
  background: var(--purple);
  box-shadow: 0 0 6px var(--purple-glow);
}

.physics-action-btn {
  background: rgba(179, 136, 255, 0.1) !important;
  border-color: var(--purple-dim) !important;
  color: var(--purple) !important;
}

.physics-action-btn:hover {
  border-color: var(--purple) !important;
  box-shadow: 0 0 8px var(--purple-glow);
}

/* ---- Computation Badge ---- */
.computation-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.computation-badge.computing {
  background: rgba(255, 179, 0, 0.15);
  color: var(--amber);
  border: 1px solid rgba(255, 179, 0, 0.3);
  animation: pulse-glow 1s infinite;
}

.computation-badge.done {
  background: rgba(105, 240, 174, 0.15);
  color: var(--green);
  border: 1px solid rgba(105, 240, 174, 0.3);
}

.computation-badge.error {
  background: rgba(255, 82, 82, 0.15);
  color: var(--red);
  border: 1px solid rgba(255, 82, 82, 0.3);
}

/* ---- Results Overlay ---- */
.results-overlay {
  background: var(--bg-card);
  border: 1px solid rgba(179, 136, 255, 0.3);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 1rem;
}

.results-overlay h4 {
  color: var(--purple);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.results-content {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.results-content .metric-row {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(30, 42, 74, 0.5);
}

.results-content .metric-label {
  color: var(--text-dim);
}

.results-content .metric-value {
  font-family: var(--font-mono);
  color: var(--text);
}

.results-content .metric-value.good {
  color: var(--green);
}

.results-content .metric-value.warn {
  color: var(--amber);
}

.results-content .metric-value.bad {
  color: var(--red);
}

/* ---- Hypothesis Actions Bar ---- */
.hypothesis-actions-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* ---- Hypothesis Computed Results ---- */
.hypo-computed-results {
  background: rgba(179, 136, 255, 0.05);
  border: 1px solid rgba(179, 136, 255, 0.15);
  border-radius: var(--radius);
  padding: 0.8rem;
  margin-top: 0.8rem;
}

.hypo-computed-results h5 {
  color: var(--purple);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.hypo-verdict {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.hypo-verdict.supported { color: var(--green); }
.hypo-verdict.plausible { color: #64c8ff; }
.hypo-verdict.consistent { color: #9e9e9e; }
.hypo-verdict.unvalidated { color: #ce93d8; }
.hypo-verdict.inconclusive { color: var(--amber); }
.hypo-verdict.falsified { color: var(--red); }

.hypo-metrics {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.hypo-metrics .metric-line {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.hypo-metrics .metric-line span:last-child {
  font-family: var(--font-mono);
  color: var(--text);
  text-align: right;
}

.hypo-detail-text {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
  font-style: italic;
  line-height: 1.5;
}

/* ---- Meta-Analysis ---- */
.meta-analysis-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border);
}

.meta-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 0.3rem;
}

.meta-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.meta-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.meta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--bg-deep);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.meta-btn:hover {
  background: rgba(0, 229, 255, 0.1);
}

.meta-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.meta-btn-icon {
  font-size: 1rem;
}

.meta-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.meta-result-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
}

.meta-result-card h4 {
  font-size: 0.9rem;
  color: var(--cyan);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.meta-result-card .result-summary {
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.meta-table th {
  text-align: left;
  padding: 0.4rem 0.6rem;
  color: var(--text-dim);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.meta-table td {
  padding: 0.4rem 0.6rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.meta-table tr:hover td {
  background: rgba(0, 229, 255, 0.05);
}

.meta-table .robust { color: var(--green); }
.meta-table .moderate { color: var(--amber); }
.meta-table .fragile { color: var(--red); }
.meta-table .winner { color: var(--cyan); font-weight: 600; }
.meta-table .feasible { color: var(--green); }
.meta-table .marginal { color: var(--amber); }
.meta-table .implausible { color: var(--red); }

.bar-cell {
  position: relative;
}

.bar-fill {
  display: inline-block;
  height: 12px;
  border-radius: 2px;
  margin-right: 0.4rem;
  vertical-align: middle;
  min-width: 2px;
}

.bar-fill.cyan { background: var(--cyan); }
.bar-fill.green { background: var(--green); }
.bar-fill.amber { background: var(--amber); }
.bar-fill.red { background: var(--red); }
.bar-fill.grey { background: #9e9e9e; }
.bar-fill.purple { background: #ce93d8; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--border-glow);
}