:root {
  /* Background — dark grey with slight blue tinge */
  --color-bg: #131519;
  --color-bg-surface: #181b21;
  --color-bg-raised: #1f232c;

  /* Text */
  --color-text: #e2e6ed;
  --color-text-muted: #7a8494;

  /* Accent — slightly lighter than Twitter blue (#1DA1F2) */
  --color-accent: #4bb8f5;
  --color-accent-hover: #29a8ef;

  /* Grid cells */
  --color-cell-inactive: #1a1d23;
  --color-cell-active: #4bb8f5;
  --color-cell-border: #333843;
  --color-cell-playing: #2a3a50;

  /* Row type colors */
  --color-synth: #3a7dc9;
  --color-sample: #5a3a8a;
  --color-instrument: #1f5a9e;

  /* Tab bar */
  --color-tab-bg: #0e1014;
  --color-tab-active: #181b21;
  --color-tab-border: #333843;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;

  /* Matrix sizing — scales with viewport */
  --cell-size: clamp(18px, 3vmin, 34px);
  --row-label-width: clamp(120px, 18vw, 220px);

  /* Typography */
  --font-family: 'Segoe UI', system-ui, sans-serif;
  --font-size-sm: 11px;
  --font-size-base: 13px;
  --font-size-lg: 16px;
}

/* ── Dark: Ocean (default) — already in :root ────────────── */

/* ── Dark: Forest ────────────────────────────────────────── */
[data-theme="dark-forest"] {
  --color-bg: #0d1f0d;
  --color-bg-surface: #122612;
  --color-bg-raised: #1a3a1a;
  --color-text: #d4e8d4;
  --color-text-muted: #6a9a6a;
  --color-accent: #4caf50;
  --color-accent-hover: #388e3c;
  --color-cell-inactive: #132213;
  --color-cell-active: #4caf50;
  --color-cell-border: #1e3a1e;
  --color-cell-playing: #2e5c2e;
  --color-tab-bg: #0a160a;
  --color-tab-active: #1a2e1a;
  --color-tab-border: #1e3a1e;
  --color-synth: #1a4a1a;
  --color-sample: #4a3000;
}

/* ── Dark: Synthwave ─────────────────────────────────────── */
[data-theme="dark-synthwave"] {
  --color-bg: #0d0221;
  --color-bg-surface: #130233;
  --color-bg-raised: #1a0545;
  --color-text: #f0e6ff;
  --color-text-muted: #9966cc;
  --color-accent: #ff2d78;
  --color-accent-hover: #d4245e;
  --color-cell-inactive: #150330;
  --color-cell-active: #ff2d78;
  --color-cell-border: #2d0a5c;
  --color-cell-playing: #7b2fff;
  --color-tab-bg: #080118;
  --color-tab-active: #1a0540;
  --color-tab-border: #2d0a5c;
  --color-synth: #3a0060;
  --color-sample: #600030;
}

/* ── Dark: Midnight ──────────────────────────────────────── */
[data-theme="dark-midnight"] {
  --color-bg: #080808;
  --color-bg-surface: #111111;
  --color-bg-raised: #1c1c1c;
  --color-text: #cccccc;
  --color-text-muted: #555555;
  --color-accent: #e0b030;
  --color-accent-hover: #b8901a;
  --color-cell-inactive: #141414;
  --color-cell-active: #e0b030;
  --color-cell-border: #222222;
  --color-cell-playing: #3a3000;
  --color-tab-bg: #050505;
  --color-tab-active: #1a1a1a;
  --color-tab-border: #222222;
  --color-synth: #2a2200;
  --color-sample: #001a2a;
}

/* ── Light: Paper ────────────────────────────────────────── */
[data-theme="light-paper"] {
  --color-bg: #f5f0e8;
  --color-bg-surface: #ede5d4;
  --color-bg-raised: #d4c9b0;
  --color-text: #2c1f0e;
  --color-text-muted: #7a6a50;
  --color-accent: #c0392b;
  --color-accent-hover: #96281b;
  --color-cell-inactive: #e8e0cc;
  --color-cell-active: #c0392b;
  --color-cell-border: #c8bca0;
  --color-cell-playing: #f0c040;
  --color-tab-bg: #ddd5c0;
  --color-tab-active: #ede5d4;
  --color-tab-border: #b8aa90;
  --color-synth: #c8e0f4;
  --color-sample: #fcd8e0;
}

/* ── Light: Sky ──────────────────────────────────────────── */
[data-theme="light-sky"] {
  --color-bg: #e8f4fd;
  --color-bg-surface: #d0e8f8;
  --color-bg-raised: #b0d4f0;
  --color-text: #0a2a4a;
  --color-text-muted: #4a7a9b;
  --color-accent: #0077cc;
  --color-accent-hover: #005599;
  --color-cell-inactive: #d8eef8;
  --color-cell-active: #0077cc;
  --color-cell-border: #a0c8e8;
  --color-cell-playing: #00b4d8;
  --color-tab-bg: #c0dcf0;
  --color-tab-active: #d8eef8;
  --color-tab-border: #90bcdc;
  --color-synth: #b8d8f8;
  --color-sample: #c8f0e8;
}

/* ── Light: Sakura ───────────────────────────────────────── */
[data-theme="light-sakura"] {
  --color-bg: #fff0f3;
  --color-bg-surface: #fcdce3;
  --color-bg-raised: #f8c0d0;
  --color-text: #3a0a1a;
  --color-text-muted: #a06070;
  --color-accent: #d63877;
  --color-accent-hover: #b02060;
  --color-cell-inactive: #fce8ee;
  --color-cell-active: #d63877;
  --color-cell-border: #f0a8c0;
  --color-cell-playing: #ff80ab;
  --color-tab-bg: #f4c8d8;
  --color-tab-active: #fcdce3;
  --color-tab-border: #e8a0b8;
  --color-synth: #f8d0e8;
  --color-sample: #d8f0f8;
}

/* ── Dark: Crimson ───────────────────────────────────────── */
[data-theme="dark-crimson"] {
  --color-bg: #1a0008;
  --color-bg-surface: #260010;
  --color-bg-raised: #3a0018;
  --color-text: #ffdddd;
  --color-text-muted: #cc6677;
  --color-accent: #ff4444;
  --color-accent-hover: #cc2222;
  --color-cell-inactive: #200010;
  --color-cell-active: #ff4444;
  --color-cell-border: #440020;
  --color-cell-playing: #880020;
  --color-tab-bg: #130008;
  --color-tab-active: #2a0012;
  --color-tab-border: #440020;
  --color-synth: #3a0010;
  --color-sample: #001a3a;
}

/* ── Dark: Deep Space ────────────────────────────────────── */
[data-theme="dark-deepspace"] {
  --color-bg: #02020f;
  --color-bg-surface: #05051a;
  --color-bg-raised: #0a0a2e;
  --color-text: #c8d8ff;
  --color-text-muted: #5566aa;
  --color-accent: #4488ff;
  --color-accent-hover: #2266dd;
  --color-cell-inactive: #06061e;
  --color-cell-active: #4488ff;
  --color-cell-border: #10103a;
  --color-cell-playing: #00ccff;
  --color-tab-bg: #020210;
  --color-tab-active: #08082a;
  --color-tab-border: #10103a;
  --color-synth: #081028;
  --color-sample: #200820;
}

/* ── Light: Mint ─────────────────────────────────────────── */
[data-theme="light-mint"] {
  --color-bg: #f0faf6;
  --color-bg-surface: #d8f4ea;
  --color-bg-raised: #b4e8d4;
  --color-text: #0a2a1a;
  --color-text-muted: #3a8060;
  --color-accent: #00a86b;
  --color-accent-hover: #007a4e;
  --color-cell-inactive: #d0f0e4;
  --color-cell-active: #00a86b;
  --color-cell-border: #90d8bc;
  --color-cell-playing: #00d4aa;
  --color-tab-bg: #c0e8d4;
  --color-tab-active: #d8f4ea;
  --color-tab-border: #80c8a8;
  --color-synth: #b8ecd8;
  --color-sample: #fff0c0;
}

/* ── Light: Sunset ───────────────────────────────────────── */
[data-theme="light-sunset"] {
  --color-bg: #fff8f0;
  --color-bg-surface: #fdebd8;
  --color-bg-raised: #f8d0b0;
  --color-text: #2a1000;
  --color-text-muted: #a06030;
  --color-accent: #e06000;
  --color-accent-hover: #b84a00;
  --color-cell-inactive: #fce8d0;
  --color-cell-active: #e06000;
  --color-cell-border: #e8b880;
  --color-cell-playing: #ff9940;
  --color-tab-bg: #f0d0a8;
  --color-tab-active: #fdebd8;
  --color-tab-border: #d8a870;
  --color-synth: #fce0c0;
  --color-sample: #e8f0c8;
}

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

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  height: 100vh;
  overflow: hidden;
}

#app {
  display: grid;
  grid-template-rows: 40px 1fr 36px;
  height: 100vh;
  overflow: hidden;
}

/* ── Layout ─────────────────────────────────────────────── */
#toolbar {
  background: var(--color-bg-surface);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--color-tab-border);
}

.app-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-accent);
  margin-right: auto;
}

.toolbar-btn {
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 4px 12px;
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.toolbar-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.toolbar-btn--advanced {
  color: var(--color-text-muted);
  border-color: var(--color-text-muted);
}

.toolbar-btn--advanced-on {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  font-weight: 600;
}

.toolbar-btn--advanced-on:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

/* ── Advanced controls row ─────────────────────────────── */
.advanced-controls {
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  border-top: 1px solid var(--color-tab-border);
  padding-top: 6px;
  margin-top: 2px;
}

.advanced-controls--hidden {
  display: none !important;
}

.adv-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  user-select: none;
}

.adv-number-input {
  width: 52px;
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: var(--font-size-sm);
  text-align: center;
}

.adv-unit-select {
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: var(--font-size-sm);
  cursor: pointer;
}

#matrix-area {
  overflow: auto;
  display: flex;
  justify-content: center;
  position: relative;
  background: var(--color-bg);
}

.matrix-pane {
  display: none;
  padding: var(--spacing-md);
}

.matrix-pane--active {
  display: block;
}

/* ── Tab Bar ─────────────────────────────────────────────── */
#tab-bar-container {
  background: var(--color-tab-bg);
  border-top: 1px solid var(--color-tab-border);
  overflow-x: auto;
  overflow-y: hidden;
}

.tab-bar {
  display: flex;
  align-items: stretch;
  height: 36px;
  padding: 0 var(--spacing-sm);
  gap: 2px;
}

.tab {
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  background: var(--color-tab-bg);
  border-top: 2px solid transparent;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
  user-select: none;
}

.tab:hover {
  background: var(--color-bg-surface);
  color: var(--color-text);
}

.tab--active {
  background: var(--color-tab-active);
  border-top-color: var(--color-accent);
  color: var(--color-text);
}

.tab--add {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  padding: 0 var(--spacing-sm);
}

.tab--add:hover {
  color: var(--color-accent);
  background: transparent;
}

.tab-close-btn {
  margin-left: var(--spacing-xs);
  font-size: 10px;
  line-height: 1;
  color: var(--color-text-muted);
  opacity: 0;
  transition: opacity 0.1s;
  padding: 2px 3px;
  border-radius: 3px;
}

.tab:hover .tab-close-btn,
.tab--active .tab-close-btn {
  opacity: 1;
}

.tab-close-btn:hover {
  background: rgba(200,0,0,0.25);
  color: #ff6b6b;
}

.tab-rename-input {
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  font-size: var(--font-size-sm);
  padding: 1px 4px;
  width: 80px;
  outline: none;
}

/* ── Matrix Grid ─────────────────────────────────────────── */
.matrix-grid-wrapper {
  display: inline-flex;
  flex-direction: column;
  min-width: max-content;
  position: relative;
}

.col-header-row {
  display: flex;
  flex-direction: row;
}

.col-header {
  width: var(--cell-size);
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.col-header--corner {
  width: var(--row-label-width);
  flex-shrink: 0;
}

.col-header--clickable {
  cursor: pointer;
  user-select: none;
}

.col-header--clickable:hover {
  background: var(--color-bg-raised);
  color: var(--color-accent);
  border-radius: 3px;
}

.col-header--selected {
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 3px;
}

/* ── Column Context Menu ─────────────────────────────────── */
.col-context-menu {
  z-index: 1000;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-tab-border);
  border-radius: 5px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  overflow: hidden;
  min-width: 110px;
}

.col-context-menu__item {
  display: block;
  width: 100%;
  padding: 7px 14px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  text-align: left;
  cursor: pointer;
}

.col-context-menu__item:hover:not(.col-context-menu__item--disabled) {
  background: var(--color-bg-raised);
  color: var(--color-accent);
}

.col-context-menu__item--disabled {
  color: var(--color-text-muted);
  cursor: default;
}

.col-context-menu__label {
  padding: 5px 14px 4px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-tab-border);
  user-select: none;
}

.matrix-row {
  display: flex;
  flex-direction: row;
  align-items: stretch;
}

.matrix-row--selected > .row-label {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.row-cells {
  display: flex;
  flex-direction: row;
  border-top: 1px solid var(--color-cell-border);
}

.cell {
  width: var(--cell-size);
  height: var(--cell-size);
  border-right: 1px solid var(--color-cell-border);
  border-bottom: 1px solid var(--color-cell-border);
  background: var(--color-cell-inactive);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.05s;
  user-select: none;
}

.row-cells .cell:first-child {
  border-left: 1px solid var(--color-cell-border);
}

.cell:hover {
  background: color-mix(in srgb, var(--color-cell-active) 30%, var(--color-cell-inactive));
}

.cell.cell--active {
  background: var(--color-cell-active);
}

.cell.cell--playing {
  background: color-mix(in srgb, var(--color-cell-playing) 60%, var(--color-cell-inactive));
}

.cell.cell--active.cell--playing {
  background: color-mix(in srgb, var(--color-cell-active) 70%, var(--color-cell-playing));
}

/* ── Row Label ───────────────────────────────────────────── */
.row-label--synth {
  background-color: var(--color-synth);
}

.row-label--sample {
  background-color: var(--color-sample);
}

.row-label--instrument {
  background-color: var(--color-instrument);
}

.row-label {
  width: var(--row-label-width);
  height: var(--cell-size);
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 0 var(--spacing-xs);
  gap: var(--spacing-xs);
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-cell-border);
}

.row-label__picker-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.sound-picker {
  font-size: var(--font-size-sm);
  background: rgba(255,255,255,0.15);
  color: rgba(0,0,0,0.85);
  border: 1px solid rgba(0,0,0,0.2);
  border-radius: 3px;
  padding: 1px 2px;
  cursor: pointer;
  outline: none;
  min-width: 0;
}

.sound-picker:focus {
  border-color: rgba(0,0,0,0.5);
  background: rgba(255,255,255,0.3);
}

.sound-picker-note-wrapper {
  display: contents;
}

.sound-picker--note {
  width: 46px;
  flex-shrink: 0;
}

/* ── Col Resize Handle ───────────────────────────────────── */
.col-resize-handle {
  height: 100%;
  width: 10px;
  position: absolute;
  right: -14px;
  top: 0;
  cursor: ew-resize;
  background: var(--color-bg-raised);
  border: 1px solid var(--color-tab-border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.col-resize-handle::after {
  content: '⠿';
  font-size: 10px;
  color: var(--color-text-muted);
  writing-mode: vertical-rl;
}

.col-resize-handle:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ── Matrix Controls ─────────────────────────────────────── */
.matrix-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  margin-bottom: var(--spacing-sm);
}

.matrix-controls__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: auto;
}

.ctrl-btn {
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 4px 14px;
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.ctrl-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.ctrl-btn--record-active {
  background: #c0392b;
  color: #fff;
  border-color: #c0392b;
}

.ctrl-btn--record-active:hover {
  background: #a93226;
  border-color: #a93226;
}

.ctrl-btn--clear {
  color: var(--color-text);
}

.ctrl-btn--clear:hover {
  background: #7a1a1a;
  border-color: #7a1a1a;
  color: #fff;
}

.vol-control {
  display: flex;
  align-items: center;
  gap: 6px;
}

.vol-control__label {
  font-size: 14px;
  user-select: none;
  line-height: 1;
}

.vol-control__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) calc(var(--val, 100) * 1%), var(--color-tab-border) calc(var(--val, 100) * 1%), var(--color-tab-border) 100%);
  outline: none;
  cursor: pointer;
}

.vol-control__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
  cursor: pointer;
  box-shadow: 0 0 4px rgba(0,0,0,0.4);
}

.vol-control__slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
  cursor: pointer;
  box-shadow: 0 0 4px rgba(0,0,0,0.4);
}

/* ── BPM Control ─────────────────────────────────────────── */
.bpm-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: default;
}

.bpm-label__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.bpm-input {
  width: 58px;
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: var(--font-size-sm);
  text-align: center;
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}

.bpm-input::-webkit-outer-spin-button,
.bpm-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.bpm-input:focus {
  border-color: var(--color-accent);
}

/* ── Load Error Banner ───────────────────────────────────── */
.load-error-banner {
  background: #8b0000;
  color: #fff;
  font-size: var(--font-size-sm);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid #c00;
  animation: fadeInOut 4s ease forwards;
}

@keyframes fadeInOut {
  0%   { opacity: 0; }
  10%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ── Row Remove Button ───────────────────────────────────── */
.row-label {
  position: relative;
}

.row-remove-btn {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: rgba(0,0,0,0.4);
  font-size: 10px;
  cursor: pointer;
  padding: 2px 4px;
  opacity: 0;
  transition: opacity 0.1s;
  line-height: 1;
}

.row-label:hover .row-remove-btn {
  opacity: 1;
}

.row-remove-btn:hover {
  color: #c00;
}

.row-remove-btn--hidden {
  display: none !important;
}

/* ── Add Row Form ────────────────────────────────────────── */
.add-row-form {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  margin-top: var(--spacing-xs);
  flex-wrap: wrap;
}

.add-row-form--hidden {
  display: none;
}

.add-row-form label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.add-row-form input[type="text"],
.add-row-form select {
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: var(--font-size-sm);
  outline: none;
}

.add-row-form input[type="text"]:focus,
.add-row-form select:focus {
  border-color: var(--color-accent);
}

.add-row-note-label--disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Settings Panel ──────────────────────────────────────── */
.settings-panel {
  position: fixed;
  top: 44px;
  right: var(--spacing-md);
  z-index: 1000;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-tab-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  min-width: 200px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.settings-panel--hidden {
  display: none;
}

.settings-panel__title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.settings-panel__section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-panel__section-label {
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.settings-panel__toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  user-select: none;
}

.settings-panel__toggle {
  accent-color: var(--color-accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

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

.theme-swatch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 5px;
  border: 1px solid var(--color-tab-border);
  background: var(--color-bg-raised);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.theme-swatch:hover {
  border-color: var(--color-accent);
}

.theme-swatch--active {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 15%, var(--color-bg-raised));
}

.theme-swatch__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}


/* ── Row Advanced Editor ─────────────────────────────────── */
.rae-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
}

.rae-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-tab-border);
  border-radius: 8px;
  padding: 18px 22px;
  min-width: 320px;
  max-width: 420px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.rae-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  border-bottom: 1px solid var(--color-tab-border);
  padding-bottom: 8px;
}

.rae-section-label {
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.rae-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rae-label {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  width: 110px;
  flex-shrink: 0;
}

.rae-slider {
  flex: 1;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.rae-value {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

.rae-float-input {
  flex: 1;
  background: var(--color-bg-raised);
  color: var(--color-text);
  border: 1px solid var(--color-tab-border);
  border-radius: 4px;
  padding: 3px 7px;
  font-size: var(--font-size-sm);
  text-align: right;
}

.rae-float-input:focus {
  outline: 1px solid var(--color-accent);
}

.rae-btn-row {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 6px;
  border-top: 1px solid var(--color-tab-border);
  padding-top: 10px;
}

.rae-btn {
  padding: 5px 16px;
  border-radius: 4px;
  font-size: var(--font-size-sm);
  cursor: pointer;
  border: 1px solid var(--color-tab-border);
}

.rae-btn--apply {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  font-weight: 600;
}

.rae-btn--apply:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.rae-btn--cancel {
  background: var(--color-bg-raised);
  color: var(--color-text);
}

.rae-btn--cancel:hover {
  background: var(--color-tab-border);
}

.rae-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

.rae-effect-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rae-effect-sliders {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--color-tab-border);
  margin-left: 4px;
}

.rae-effect-slider-row {
  gap: 10px;
}

.rae-label--sub {
  width: 90px;
  color: var(--color-text-muted);
}

.rae-toggle-btn {
  padding: 3px 14px;
  border-radius: 4px;
  font-size: var(--font-size-sm);
  cursor: pointer;
  border: 1px solid var(--color-tab-border);
  background: var(--color-bg-raised);
  color: var(--color-text);
}

.rae-toggle-btn--on {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  font-weight: 600;
}

.rae-toggle-btn:hover {
  border-color: var(--color-accent);
}