/* ── Reset & Base ─────────────────────────────────────────────────────── */

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

:root {
  --bg:          #090b10;
  --bg-panel:    #0d1017;
  --bg-hover:    #131924;
  --border:      #1c2535;
  --border-lit:  #2a3a52;
  --green:       #00e87a;
  --green-dim:   #00994f;
  --green-glow:  rgba(0, 232, 122, 0.12);
  --blue:        #4a9eff;
  --orange:      #ff7b35;
  --orange-glow: rgba(255, 123, 53, 0.15);
  --red:         #ff4a6a;
  --text:        #b8c8dc;
  --text-dim:    #3d4f65;
  --text-muted:  #5a7090;
  --font:        'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* ── Light mode overrides ─────────────────────────────────────────────── */

body.light {
  --bg:          #f0f4f8;
  --bg-panel:    #e8edf3;
  --bg-hover:    #dde4ed;
  --border:      #c8d4e0;
  --border-lit:  #aabcce;
  --green:       #008a48;
  --green-dim:   #006635;
  --green-glow:  rgba(0, 138, 72, 0.12);
  --blue:        #1a6fd4;
  --orange:      #d4520a;
  --orange-glow: rgba(212, 82, 10, 0.12);
  --red:         #c8002e;
  --text:        #1e2d3d;
  --text-dim:    #7a92a8;
  --text-muted:  #4a6070;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  line-height: 1.5;
  overflow: hidden;
}

/* ── Layout ───────────────────────────────────────────────────────────── */

.app {
  display: grid;
  grid-template-rows: 48px 1fr 52px 128px;
  height: 100vh;
  width: 100vw;
}

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

.header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}

.logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--green);
  text-shadow: 0 0 18px var(--green-glow);
}

.tagline {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.how-btn {
  margin-left: auto;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 9px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.how-btn:hover {
  border-color: var(--border-lit);
  color: var(--text);
  background: var(--bg-hover);
}

.theme-btn {
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.theme-btn:hover {
  border-color: var(--border-lit);
  color: var(--text);
  background: var(--bg-hover);
}

/* ── Workspace ─────────────────────────────────────────────────────────── */

.workspace {
  display: grid;
  grid-template-columns: 1fr 280px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

/* ── Code panel ─────────────────────────────────────────────────────────── */

.code-panel {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.panel-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 12px;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  flex-shrink: 0;
}

.font-size-ctrl {
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: 0;
}

.fsize-btn {
  padding: 1px 5px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 9px;
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1.4;
}

.fsize-btn:hover {
  border-color: var(--border-lit);
  color: var(--text);
  background: var(--bg-hover);
}

.fsize-val {
  font-size: 9px;
  color: var(--text-muted);
  width: 26px;
  text-align: center;
  letter-spacing: 0;
}

/* Stacking context: overlay + textarea occupy the same space */
.code-editor-wrap {
  position: relative;
  flex: 1;
  overflow: hidden;
}

/* Overlay: must match textarea metrics exactly */
.code-overlay {
  position: absolute;
  inset: 0;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 12px;
  line-height: 1.7;
  tab-size: 2;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: auto;
  scrollbar-width: none;
  pointer-events: none;
  z-index: 1;
  color: var(--text);
}
.code-overlay::-webkit-scrollbar { display: none; }

.code-textarea {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  color: transparent;
  caret-color: var(--green);
  font-family: var(--font);
  font-size: 12px;
  line-height: 1.7;
  padding: 14px 16px;
  tab-size: 2;
  z-index: 2;
}

.code-textarea::placeholder {
  color: var(--text-dim);
}

.code-textarea:focus ~ .code-overlay,
.code-editor-wrap:focus-within .code-overlay {
  background: rgba(0, 232, 122, 0.015);
}

/* ── Token colors ─────────────────────────────────────────────────────── */

.tok-kick, .tok-snare { color: var(--green); }
.tok-hat              { color: #4de89a; }
.tok-loop             { color: #00ff88; }
.tok-bass             { color: var(--orange); }
.tok-num              { color: var(--blue); }
.tok-str              { color: #7ab8ff; }
.tok-comment          { color: #b06aff; }

/* Light mode: replace low-contrast neon shades with darker equivalents */
body.light .tok-hat     { color: #007a40; }
body.light .tok-loop    { color: #005c30; }
body.light .tok-str     { color: #1055a8; }
body.light .tok-comment { color: #6520aa; }

/* Flash: bright burst in dark mode, dark burst in light mode */
@keyframes tok-flash {
  0%   { background-color: rgba(255,255,255,0.30); border-radius: 2px; }
  100% { background-color: transparent; }
}
@keyframes tok-flash-light {
  0%   { background-color: rgba(0,0,0,0.14); border-radius: 2px; }
  100% { background-color: transparent; }
}
.tok-flash                  { animation: tok-flash       0.30s ease-out forwards; }
body.light .tok-flash       { animation: tok-flash-light 0.30s ease-out forwards; }

/* ── Token legend bar ─────────────────────────────────────────────────── */

.tok-legend {
  display: flex;
  gap: 14px;
  padding: 4px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  flex-shrink: 0;
}

.legend-item {
  font-size: 9px;
  letter-spacing: 1px;
  opacity: 0.7;
}

.code-stats {
  padding: 5px 12px;
  font-size: 10px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.code-stats.active {
  color: var(--text-muted);
}

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

.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  background: var(--bg-panel);
}

.controls-panel::-webkit-scrollbar { width: 4px; }
.controls-panel::-webkit-scrollbar-track { background: transparent; }
.controls-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.control-section {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

/* ── Sample bar ─────────────────────────────────────────────────────────── */

.sample-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  flex-wrap: wrap;
  overflow-x: auto;
}

.sample-label {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--text-dim);
  flex-shrink: 0;
  margin-right: 2px;
}

.sample-btn {
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.sample-btn:hover {
  border-color: var(--border-lit);
  color: var(--text);
  background: var(--bg-hover);
}

.sample-btn.active {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

/* ── Style selector ─────────────────────────────────────────────────────── */

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

/* Each style item: [btn | ⓘ] */
.style-item {
  display: flex;
  gap: 4px;
  align-items: stretch;
}

.style-btn {
  flex: 1;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.style-btn:hover {
  border-color: var(--border-lit);
  color: var(--text);
  background: var(--bg-hover);
}

.style-btn.active {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
  text-shadow: 0 0 8px var(--green-glow);
}

/* Info button ⓘ */
.style-info-btn {
  width: 22px;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.style-info-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(74, 158, 255, 0.08);
}

/* Style info popover — floats to the left of the controls panel */
.style-popover {
  display: none;
  position: fixed;
  z-index: 1000;
  width: 264px;
  padding: 10px 12px;
  border: 1px solid var(--border-lit);
  background: var(--bg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: fadeSlideIn 0.16s ease;
}

.style-popover.visible { display: block; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(4px); }
  to   { opacity: 1; transform: translateX(0); }
}

.popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.popover-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.popover-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
}

.popover-close:hover { color: var(--text); }

.popover-desc {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.popover-traits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.popover-traits li {
  font-size: 9px;
  color: var(--text-dim);
  padding-left: 10px;
  position: relative;
  letter-spacing: 0.3px;
}

.popover-traits li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--blue);
}

/* ── Analysis meters ────────────────────────────────────────────────────── */

.meters {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.meter-label {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
  width: 70px;
  flex-shrink: 0;
}

.meter-track {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: visible;
  position: relative;
}

.meter-fill {
  height: 100%;
  background: var(--green);
  width: 0%;
  border-radius: 2px;
  transition: width 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 6px var(--green-glow);
}

.meter-val {
  font-size: 9px;
  color: var(--text-muted);
  width: 32px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Code info grid ─────────────────────────────────────────────────────── */

.code-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 4px;
}

.info-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-label {
  font-size: 8px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.info-val {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}

/* ── Bug effect toggle ──────────────────────────────────────────────────── */

.bug-section {
  transition: background 0.3s;
}

.bug-section.active {
  background: var(--orange-glow);
}

.bug-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.bug-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.bug-icon {
  font-size: 12px;
  transition: filter 0.3s;
}

.bug-section.active .bug-icon {
  filter: drop-shadow(0 0 4px var(--orange));
}

.bug-section.active .bug-label {
  color: var(--orange);
}

.bug-status {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
  transition: color 0.3s;
}

.bug-status.detected {
  color: var(--orange);
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 18px;
  cursor: pointer;
}

.toggle input { display: none; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 9px;
  transition: background 0.2s;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 12px;
  height: 12px;
  background: var(--text-dim);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: var(--orange);
}

.toggle input:checked + .toggle-slider::after {
  transform: translateX(18px);
  background: #fff;
}

/* ── Generate button ────────────────────────────────────────────────────── */

.generate-btn {
  margin: 12px 14px 14px;
  padding: 12px 16px;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.generate-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
  z-index: 0;
}

.generate-btn span {
  position: relative;
  z-index: 1;
}

.generate-btn:hover::before  { transform: scaleX(1); }
.generate-btn:hover          { color: var(--bg); }

.generate-btn:disabled {
  border-color: var(--text-dim);
  color: var(--text-dim);
  cursor: not-allowed;
}

.generate-btn:disabled::before { display: none; }

.generate-btn.loading {
  border-color: var(--blue);
  color: var(--blue);
  animation: pulse-border 1s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 158, 255, 0); }
  50%       { box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.2); }
}

/* ── Transport bar ──────────────────────────────────────────────────────── */

.transport-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  height: 52px;
}

.transport-controls {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.transport-btn {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.transport-btn:hover {
  border-color: var(--border-lit);
  color: var(--text);
  background: var(--bg-hover);
}

.transport-btn.active {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

.transport-btn#play-btn.playing {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 12px var(--green-glow);
}

.transport-btn.loop-btn.active {
  border-color: var(--blue);
  color: var(--blue);
}

.rec-btn {
  width: auto;
  padding: 0 10px;
  font-size: 9px;
  letter-spacing: 1.5px;
  margin-left: auto;
  flex-shrink: 0;
}

.rec-btn.recording {
  border-color: var(--red);
  color: var(--red);
  animation: rec-pulse 1s ease-in-out infinite;
}

@keyframes rec-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 74, 106, 0); }
  50%       { box-shadow: 0 0 8px rgba(255, 74, 106, 0.4); }
}

/* Progress */

.progress-section {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.time-label {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  width: 30px;
}

.progress-track {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.progress-fill {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 6px var(--green-glow);
}

/* ── Mixer ──────────────────────────────────────────────────────────────── */

.mixer {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--bg-panel);
  overflow: hidden;
  min-height: 100px;
}

.mixer-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--text-dim);
  padding: 0 8px;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mixer-layers {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-right: none;
}

.layer-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px;
  border-right: 1px solid var(--border);
  position: relative;
  transition: background 0.2s;
}

.layer-row:last-child { border-right: none; }

.layer-row.muted {
  opacity: 0.4;
}

/* Oscilloscope canvas */

.layer-canvas {
  width: 100%;
  height: 58px;
  display: block;
  flex-shrink: 0;
  cursor: pointer;
  transition: opacity 0.3s;
}

.layer-row.muted .layer-canvas,
.layer-row.muted .layer-vol {
  opacity: 0.15;
}

/* Volume sliders */

.layer-vol {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.layer-vol::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  cursor: pointer;
  box-shadow: 0 0 4px var(--green-glow);
  transition: transform 0.1s;
}

.layer-vol::-webkit-slider-thumb:hover {
  transform: scale(1.4);
}

.layer-vol::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  cursor: pointer;
  border: none;
}

/* ── Global FX panel ────────────────────────────────────────────────────── */

.mixer-fx {
  width: 196px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 6px 12px 8px;
}

.fx-section-label {
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 5px;
  flex-shrink: 0;
}

.fx-controls {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  flex: 1;
}

.fx-row {
  display: flex;
  align-items: center;
  gap: 7px;
}

.fx-name {
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--text-dim);
  width: 38px;
  flex-shrink: 0;
}

.fx-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.fx-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  cursor: pointer;
  box-shadow: 0 0 4px rgba(74, 158, 255, 0.3);
  transition: transform 0.1s;
}

.fx-slider::-webkit-slider-thumb:hover {
  transform: scale(1.4);
}

.fx-slider::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  cursor: pointer;
  border: none;
}

.fx-val {
  font-size: 8px;
  color: var(--text-muted);
  width: 30px;
  text-align: right;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* ── Bug effect active — global orange tint ─────────────────────────────── */

.app.bug-active .meter-fill {
  background: var(--orange);
  box-shadow: 0 0 6px var(--orange-glow);
}

.app.bug-active .progress-fill {
  background: var(--orange);
}

.app.bug-active .layer-vol::-webkit-slider-thumb {
  background: var(--orange);
}

.app.bug-active .logo {
  color: var(--orange);
  text-shadow: 0 0 18px var(--orange-glow);
}

/* ── How it works modal ─────────────────────────────────────────────────── */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.visible { display: flex; }

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border-lit);
  width: min(540px, 92vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(-8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--green);
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
  transition: color 0.15s;
}

.modal-close:hover { color: var(--text); }

.modal-body {
  overflow-y: auto;
  padding: 16px 18px 20px;
}

.modal-body::-webkit-scrollbar { width: 4px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.modal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-bottom: 14px;
}

.modal-table th {
  text-align: left;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-dim);
  padding: 0 12px 8px 0;
  border-bottom: 1px solid var(--border);
}

.modal-table td {
  padding: 6px 12px 6px 0;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}

.modal-table td:first-child {
  color: var(--text);
  width: 42%;
}

.modal-table td code {
  color: var(--green);
  font-family: var(--font);
  font-size: 10px;
}

.modal-note {
  font-size: 10px;
  color: var(--text-dim);
  line-height: 1.6;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  letter-spacing: 0.3px;
}

/* ── Scrollbar ──────────────────────────────────────────────────────────── */

::-webkit-scrollbar        { width: 5px; height: 5px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-lit); }

/* ── Responsive — allow some scrolling below 700px ──────────────────────── */

@media (max-height: 600px) {
  .app { overflow-y: auto; height: auto; }
  html, body { overflow: auto; }
}

/* ── Gallery trigger button ─────────────────────────────────────────────── */

.gallery-trigger-btn {
  color: var(--blue);
  border-color: var(--blue);
  opacity: 0.75;
}

.gallery-trigger-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(74, 158, 255, 0.08);
  opacity: 1;
}

/* ── Analysis header with DNA toggle ────────────────────────────────────── */

.analysis-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.dna-toggle-btn {
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: 1.5px;
  padding: 2px 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}

.dna-toggle-btn:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

.dna-toggle-btn.active {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

/* ── DNA Fingerprint canvas ─────────────────────────────────────────────── */

.dna-container {
  display: none;
  flex-direction: column;
  gap: 5px;
}

.dna-container.visible {
  display: flex;
}

.dna-canvas {
  width: 100%;
  height: 130px;
  display: block;
}

.dna-meta {
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-align: center;
  padding-bottom: 2px;
}

/* ── Piano Roll scrubber (replaces thin progress bar) ───────────────────── */

.piano-roll {
  flex: 1;
  height: 36px;
  min-width: 0;
  cursor: pointer;
  display: block;
  border-radius: 2px;
  transition: opacity 0.1s;
}
.piano-roll:hover { opacity: 0.85; }

/* ── HOW IT WORKS — new features section ───────────────────────────────── */

.modal-features-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.modal-features-title {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.modal-feature-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.6;
}

.modal-feature-row strong {
  color: var(--text);
}

.modal-feature-row em {
  color: var(--green);
  font-style: normal;
}

.modal-feature-icon {
  flex-shrink: 0;
  color: var(--green);
  font-size: 12px;
  margin-top: 1px;
}

/* ── Gallery modal ──────────────────────────────────────────────────────── */

.gallery-modal {
  width: min(900px, 95vw);
  max-height: 88vh;
}

.gallery-body {
  overflow-y: auto;
  padding: 14px 16px 20px;
  flex: 1;
}

.gallery-body::-webkit-scrollbar { width: 4px; }
.gallery-body::-webkit-scrollbar-track { background: transparent; }
.gallery-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.gallery-intro {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  line-height: 1.6;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.gallery-card {
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  border-top-width: 2px;
}

.gallery-card:hover {
  border-color: var(--border-lit);
  background: var(--bg-hover);
}

.gallery-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
}

.gallery-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
  line-height: 1.3;
  flex: 1;
}

.gallery-lang-badge {
  font-size: 7px;
  letter-spacing: 1.5px;
  padding: 2px 5px;
  border: 1px solid currentColor;
  flex-shrink: 0;
  margin-top: 1px;
}

.gallery-card[data-lang="javascript"] { border-top-color: #f7c948; }
.gallery-card[data-lang="c"]          { border-top-color: var(--red); }
.gallery-card[data-lang="python"]     { border-top-color: var(--blue); }
.gallery-card[data-lang="go"]         { border-top-color: #00add8; }
.gallery-card[data-lang="rust"]       { border-top-color: var(--orange); }

.gallery-card[data-lang="javascript"] .gallery-lang-badge { color: #f7c948; }
.gallery-card[data-lang="c"]          .gallery-lang-badge { color: var(--red); }
.gallery-card[data-lang="python"]     .gallery-lang-badge { color: var(--blue); }
.gallery-card[data-lang="go"]         .gallery-lang-badge { color: #00add8; }
.gallery-card[data-lang="rust"]       .gallery-lang-badge { color: var(--orange); }

.gallery-desc {
  font-size: 9px;
  color: var(--text-muted);
  line-height: 1.5;
  letter-spacing: 0.3px;
}

/* Mini DNA fingerprint bars */
.gallery-dna {
  display: grid;
  grid-template-columns: 28px 1fr;
  row-gap: 3px;
  column-gap: 5px;
  align-items: center;
}

.gallery-dna-label {
  font-size: 7px;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-align: right;
}

.gallery-dna-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.gallery-dna-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--green);
  opacity: 0.7;
}

.gallery-meta {
  font-size: 8px;
  color: var(--text-dim);
  letter-spacing: 1px;
  display: flex;
  gap: 8px;
}

.gallery-meta span {
  color: var(--text-muted);
}