:root {
  --bg-main: #050508;
  --panel-bg: rgba(12, 14, 20, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #e2e8f0;
  --text-muted: #64748b;
  --tone-color: #00f3ff;
  --mod-color: #ff0077;
  --pulser-color: #ffcc00;
  --noise-color: #a855f7;
  --anomaly-color: #00ff88;
  --drone-color: #f97316;
  --absorber-color: #3b82f6;
  --lfo-color: #14b8a6;
  --seq-color: #ef4444;
  --mic-color: #6ee7b7;
  --wall-color: #ffffff;
  --cable-color: #ffaa00;
  --species-symbiont: #7cff5e;
  --species-loner: #ff5e5e;
  --species-catalyst: #ffd25e;
  --species-resonator: #5ec8ff;
  --species-drifter: #b8c4d0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: system-ui, -apple-system, sans-serif;
  overflow: hidden;
  height: 100vh;
  display: flex;
}

#sidebar {
  width: 350px;
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-color);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 10;
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.8);
  overflow-x: hidden;
  overflow-y: auto;
  height: 100vh;
  min-height: 0;
  padding-bottom: 24px;
  scrollbar-gutter: stable;
}

#sidebar > * {
  flex: 0 0 auto;
}

#sidebar > .header-title { order: 1; }
#sidebar > #btn-audio { order: 2; }
#sidebar > #inspector-card { order: 3; }
#sidebar > #sidebar-actions { order: 4; }
#sidebar > #entity-spawner-card { order: 5; }
#sidebar > #global-clock-card { order: 6; }
#sidebar > #master-fx-card { order: 7; }
#sidebar > #environment-card { order: 8; }
#sidebar > #session-card { order: 9; }

#sidebar > #sidebar-actions {
  margin-top: 0 !important;
}

.game-score {
  margin-left: auto;
  color: var(--pulser-color);
  font: 700 0.65rem monospace;
  letter-spacing: 1px;
}

.game-button {
  order: 11;
  flex-shrink: 0;
  border-color: var(--anomaly-color);
  color: var(--anomaly-color);
}

.recording-sidebar-control {
  order: 12;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.recording-sidebar-button {
  flex: 1;
  border-color: var(--pulser-color);
  color: var(--pulser-color);
}

.recording-elapsed {
  color: var(--pulser-color);
  font: 700 0.7rem monospace;
  letter-spacing: 1px;
  white-space: nowrap;
}

.system-button {
  order: 13;
  flex-shrink: 0;
  border-color: var(--cable-color);
  color: var(--cable-color);
}

#sidebar > #inspector-card:not([style*="display: none"]) {
  order: 3;
}

.header-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

h1 {
  font-size: 1.2rem;
  letter-spacing: 2px;
  color: var(--tone-color);
  text-transform: uppercase;
  font-weight: 900;
  margin: 0;
}

.status-badge {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 12px;
  background: rgba(255, 0, 85, 0.2);
  color: #ff0055;
  border: 1px solid #ff0055;
  font-weight: bold;
}

.status-badge.active {
  background: rgba(0, 255, 136, 0.15);
  color: #00ff88;
  border-color: #00ff88;
}

.status-badge.paused {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border-color: #3b82f6;
}

.card {
  background: rgba(255, 255, 255, 0.02);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.card-title {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-weight: 700;
}

.collapsible-card {
  padding: 0;
  overflow: visible;
  flex-shrink: 0;
}

.collapsible-card summary {
  cursor: pointer;
  list-style: none;
  padding: 12px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.collapsible-card summary::-webkit-details-marker {
  display: none;
}

.collapsible-card summary::after {
  content: '+';
  color: var(--tone-color);
  font-size: 1rem;
  line-height: 1;
}

.collapsible-card[open] summary::after {
  content: '−';
}

.collapsible-card summary:hover,
.collapsible-card summary:focus-visible {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
}

.collapsible-content {
  display: block;
  padding: 0 12px 12px;
  min-width: 0;
}

.collapsible-card:not([open]) .collapsible-content {
  display: none;
}

label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-main);
  margin-bottom: 6px;
  align-items: center;
}

.val-tag {
  color: var(--tone-color);
  font-family: monospace;
}

select,
input[type="text"],
button {
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  outline: none;
  transition: all 0.2s;
}

select:hover,
select:focus {
  border-color: var(--tone-color);
}

input[type="range"] {
  -webkit-appearance: none;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  border: none;
  padding: 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--tone-color);
  cursor: pointer;
  box-shadow: 0 0 10px var(--tone-color);
}

input[type="checkbox"] {
  width: auto;
  transform: scale(1.2);
  accent-color: var(--tone-color);
  cursor: pointer;
}

.btn {
  background: var(--tone-color);
  color: #000;
  font-weight: bold;
  cursor: pointer;
  border: none;
  padding: 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn:hover {
  filter: brightness(1.2);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--tone-color);
  color: var(--tone-color);
}

.btn-secondary.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--wall-color);
  color: var(--wall-color);
}

.node-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.node-btn {
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  text-align: left;
}

.node-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.node-btn.active {
  border-color: currentColor;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-weight: 600;
}

#canvas-container {
  flex: 1;
  min-width: 0;
  min-height: 0;
  position: relative;
  cursor: crosshair;
}

body.immersive-mode #sidebar {
  width: 0;
  min-width: 0;
  padding: 0;
  border-right: none;
  overflow: visible;
  box-shadow: none;
}

body.immersive-mode #sidebar > *:not(#btn-game) {
  display: none;
}

body.immersive-mode .game-button {
  position: fixed;
  top: auto;
  bottom: 16px;
  left: 16px;
  z-index: 20;
  width: auto;
  min-width: 74px;
  margin: 0;
}

body.immersive-mode .hud-overlay,
body.immersive-mode .legend,
body.immersive-mode .system-modal {
  display: none;
}

.system-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

.system-modal[hidden],
.artist-statement-modal[hidden] {
  display: none;
}

.artist-statement-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
}

.artist-statement-dialog {
  width: min(640px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  overflow-y: auto;
  background: rgba(12, 14, 20, 0.98);
  border: 1px solid var(--tone-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 24px rgba(0, 243, 255, 0.15);
}

.artist-statement-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.artist-statement-dialog h2 {
  color: var(--tone-color);
  font-size: 1.2rem;
  letter-spacing: 2px;
}

.artist-statement-content {
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.7;
}

.artist-statement-content p + p {
  margin-top: 16px;
}

.artist-statement-button {
  margin-top: 8px;
  border-color: var(--tone-color);
  color: var(--tone-color);
}

.system-dialog {
  width: min(460px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  overflow-y: auto;
  background: rgba(12, 14, 20, 0.98);
  border: 1px solid var(--cable-color);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 24px rgba(255, 170, 0, 0.12);
}

.system-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.system-dialog h2 {
  color: var(--cable-color);
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.system-close {
  width: auto;
  padding: 0 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.system-close:hover,
.system-close:focus-visible {
  color: var(--text-main);
}

.system-section {
  border-top: 1px solid var(--border-color);
  padding: 12px 0;
}

.system-section summary {
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.system-section-content {
  padding-top: 10px;
}

.system-session-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.system-session-grid .btn {
  font-size: 0.7rem;
}

.system-recording-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.system-recording-controls .btn {
  width: auto;
  flex: 1;
}

.system-recording-controls .recording-elapsed {
  min-width: 42px;
  text-align: center;
}

.ecology-controls {
  display: grid;
  gap: 8px;
}

.ecology-toggle {
  margin: 0;
  color: var(--text-main);
}

.ecology-controls input[type="range"] {
  width: 100%;
}

.ecology-controls input:disabled,
.ecology-controls button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.ecology-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.ecology-actions .btn {
  width: auto;
  font-size: 0.65rem;
  padding: 6px 4px;
}

.ecology-stats {
  font-family: monospace;
  font-size: 0.7rem;
}

.ecology-legend {
  font-size: 0.65rem;
  line-height: 1.4;
}

.profile-controls {
  display: grid;
  gap: 8px;
}

.profile-controls input[type="text"],
.profile-controls select {
  width: 100%;
}

.profile-action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.profile-controls .btn {
  font-size: 0.7rem;
}

.profile-delete {
  color: #ff0055;
  border-color: rgba(255, 0, 85, 0.4);
}

.game-stats-content {
  display: grid;
  gap: 9px;
}

.game-stats-content > div,
.ship-color-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.game-stats-content strong {
  color: var(--pulser-color);
  font-family: monospace;
  letter-spacing: 1px;
}

.ship-color-control input[type="color"] {
  width: 42px;
  height: 24px;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.shortcuts-list {
  display: grid;
  gap: 7px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.shortcuts-list b {
  color: var(--text-main);
}

.system-danger {
  margin-top: 8px;
  border-color: #ff0055;
  color: #ff0055;
}

.system-about {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.75rem;
  line-height: 1.6;
}

.system-about-title {
  color: var(--tone-color);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1px;
}

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

.system-credit {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
}

.system-credit a {
  color: var(--tone-color);
  text-decoration: none;
}

.system-credit a:hover,
.system-credit a:focus-visible {
  color: var(--text-main);
  text-decoration: underline;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hud-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--text-main);
  line-height: 1.6;
  pointer-events: none;
}

.hud-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.hud-row[hidden] {
  display: none;
}

.hud-val {
  color: var(--tone-color);
  font-weight: bold;
}

.hud-meter-label {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.65rem;
}

.hud-meter {
  width: 100%;
  height: 4px;
  margin-top: 2px;
  overflow: hidden;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.12);
}

.hud-meter span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--tone-color);
  transition: width 80ms linear, background 120ms linear;
}

.hud-meter span.hot {
  background: #ff0055;
}

.legend {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--panel-bg);
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  font-size: 0.7rem;
  color: var(--text-muted);
  pointer-events: none;
}

.legend-row {
  display: flex;
  gap: 12px;
}

.legend b {
  color: #fff;
}

@media (max-width: 760px) {
  body {
    overflow: auto;
    min-height: 100vh;
    height: auto;
    display: block;
  }

  #sidebar {
    width: 100%;
    max-height: none;
    overflow: visible;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  #canvas-container {
    height: 70vh;
    min-height: 420px;
  }
}