:root {
  --bg: #0d0d1a;
  --bg-light: #16213e;
  --bg-lighter: #0f3460;
  --surface: #1a1a30;
  --surface-light: #252545;
  --border: #3a3a5c;
  --text: #e0e0e0;
  --text-dim: #888;
  --cyan: #a06bff;
  --orange: #ff6b35;
  --green: #00ff88;
  --red: #ff3366;
  --knob-size-sm: 40px;
  --knob-size-md: 56px;
  --knob-size-lg: 72px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, 'Segoe UI', sans-serif;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ===== HEADER ===== */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: linear-gradient(180deg, #12122a 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 6px;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.subtitle {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}

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

.midi-panel {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.midi-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: not-allowed;
  opacity: 0.6;
  transition: all .2s;
}

.midi-btn:not(:disabled) {
  cursor: pointer;
  opacity: 1;
  color: var(--cyan);
  border-color: var(--cyan);
}

.midi-btn:not(:disabled):hover {
  background: rgba(0, 212, 255, 0.1);
}

.midi-btn.accent-green:not(:disabled) {
  color: var(--green, #4caf50);
  border-color: var(--green, #4caf50);
}
.midi-btn.accent-green:not(:disabled):hover {
  background: rgba(76, 175, 80, 0.1);
}
.midi-btn.accent-orange:not(:disabled) {
  color: var(--orange, #ff9800);
  border-color: var(--orange, #ff9800);
}
.midi-btn.accent-orange:not(:disabled):hover {
  background: rgba(255, 152, 0, 0.1);
}

.header-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

.midi-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  max-width: 180px;
  outline: none;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s, color .2s;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.midi-select:not(:disabled) {
  color: var(--text);
}

.midi-select:not(:disabled):hover {
  border-color: var(--cyan);
}

.midi-select:not(:disabled):focus {
  border-color: var(--cyan);
  box-shadow: 0 0 6px rgba(0, 212, 255, .35);
}

.midi-select:not(:disabled):active {
  border-color: var(--cyan);
  background: var(--surface-light);
}

.midi-select:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.midi-select option {
  background: var(--surface);
  color: var(--text);
}

.midi-status {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.midi-status.disconnected {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.midi-status.connected {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.midi-status.detecting {
  background: #ffcc00;
  box-shadow: 0 0 8px #ffcc00;
  animation: pulse-yellow 1s infinite;
}

@keyframes pulse-yellow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 0;
  background: #111128;
  border-bottom: 2px solid var(--border);
  padding: 0 24px;
}

.tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

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

.tab.active {
  color: var(--cyan);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* ===== CONTENT ===== */
.content {
  flex: 1;
  padding: 24px;
  padding-bottom: 140px;
  overflow-y: auto;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== OSC TAB ===== */
.osc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.osc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.osc-card.analog { border-top: 2px solid var(--orange); }
.osc-card.digital { border-top: 2px solid var(--green); }

.osc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.osc-type {
  font-size: 9px;
  letter-spacing: 2px;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 700;
}

.analog .osc-type {
  color: var(--orange);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.3);
}

.digital .osc-type {
  color: var(--green);
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.osc-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
}

.osc-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: center;
}

/* ===== FILTER TAB ===== */
.filter-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.filter-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  flex: 1;
}

.filter-divider {
  width: 1px;
  min-height: 200px;
  background: var(--border);
  align-self: stretch;
}

.section-title {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.section-title.digital {
  color: var(--green);
  border-bottom-color: rgba(0, 255, 136, 0.2);
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
}

.controls-row.secondary {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===== ENV TAB ===== */
.env-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.env-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.env-dest {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 8px;
}

.adsr-graph {
  width: 100%;
  height: 80px;
  margin-bottom: 16px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===== SEQ TAB ===== */
.seq-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.seq-track {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
}

.seq-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.seq-track-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--cyan);
  min-width: 60px;
}

.seq-steps {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 4px;
}

.seq-step {
  aspect-ratio: 1;
  background: #111;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Courier New', monospace;
  font-size: 9px;
  color: var(--text-dim);
  transition: background 0.15s, border-color 0.15s;
  min-height: 36px;
}

.seq-step:hover {
  border-color: var(--cyan);
}

.seq-step.active {
  background: linear-gradient(to top, rgba(0, 212, 255, 0.25) var(--step-height, 0%), transparent var(--step-height, 0%));
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.2);
}

/* ===== LFO TAB ===== */
.lfo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.lfo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

/* ===== MOD TAB ===== */
.mod-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.mod-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mod-row-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.mod-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--cyan);
  min-width: 100px;
}

.mod-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  flex: 1;
}

/* ===== FX TAB ===== */
.fx-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.fx-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

/* ===== PATCH TAB ===== */
.patch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.patch-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

/* ===== KNOB (from UI kit) ===== */
.knob-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  user-select: none;
}

.knob-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.knob {
  position: relative;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #3a3a5c, #1a1a2e 70%);
  border: 2px solid #4a4a6a;
  cursor: grab;
  box-shadow: 0 2px 8px rgba(0,0,0,.5), inset 0 1px 1px rgba(255,255,255,.05);
  transition: box-shadow .15s;
}

.knob:hover {
  box-shadow: 0 2px 12px rgba(0,212,255,.25), inset 0 1px 1px rgba(255,255,255,.05);
  border-color: var(--cyan);
}

.knob:active, .knob.active {
  cursor: grabbing;
  box-shadow: 0 0 16px rgba(0,212,255,.4), inset 0 1px 1px rgba(255,255,255,.05);
}

.knob-indicator {
  position: absolute;
  width: 3px;
  height: 35%;
  background: var(--cyan);
  border-radius: 2px;
  top: 8%;
  left: 50%;
  transform-origin: bottom center;
  transform: translateX(-50%);
  box-shadow: 0 0 4px var(--cyan);
}

.knob-value {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--cyan);
  text-align: center;
  min-width: 30px;
}

.knob.sm { width: var(--knob-size-sm); height: var(--knob-size-sm); }
.knob.md { width: var(--knob-size-md); height: var(--knob-size-md); }
.knob.lg { width: var(--knob-size-lg); height: var(--knob-size-lg); }

/* Accent variants */
.knob-wrap.accent-orange .knob:hover,
.knob-wrap.accent-orange .knob.active { border-color: var(--orange); box-shadow: 0 0 16px rgba(255,107,53,.3); }
.knob-wrap.accent-orange .knob-indicator { background: var(--orange); box-shadow: 0 0 4px var(--orange); }
.knob-wrap.accent-orange .knob-value { color: var(--orange); }

.knob-wrap.accent-green .knob:hover,
.knob-wrap.accent-green .knob.active { border-color: var(--green); box-shadow: 0 0 16px rgba(0,255,136,.3); }
.knob-wrap.accent-green .knob-indicator { background: var(--green); box-shadow: 0 0 4px var(--green); }
.knob-wrap.accent-green .knob-value { color: var(--green); }

/* ===== FADER ===== */
.fader-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.fader-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.fader-track {
  position: relative;
  width: 8px;
  height: 120px;
  background: #111;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
}

.fader-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, var(--cyan), transparent);
  border-radius: 0 0 3px 3px;
  pointer-events: none;
}

.fader-thumb {
  position: absolute;
  width: 28px;
  height: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, #555, #333);
  border: 1px solid #666;
  border-radius: 3px;
  cursor: grab;
  box-shadow: 0 2px 6px rgba(0,0,0,.5);
}

.fader-thumb::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 25%;
  right: 25%;
  height: 1px;
  background: #888;
  transform: translateY(-50%);
  box-shadow: 0 -2px 0 #888, 0 2px 0 #888;
}

.fader-value {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--cyan);
}

.fader-wrap.accent-orange .fader-fill { background: linear-gradient(to top, var(--orange), transparent); }
.fader-wrap.accent-orange .fader-value { color: var(--orange); }
.fader-wrap.accent-green .fader-fill { background: linear-gradient(to top, var(--green), transparent); }
.fader-wrap.accent-green .fader-value { color: var(--green); }

/* ===== SELECT ===== */
.select-wrap {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  user-select: none;
  min-width: 140px;
}

.select-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.select-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 28px 6px 10px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--cyan);
  cursor: pointer;
  position: relative;
}

.select-box::after {
  content: '▾';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 10px;
}

.select-box:hover { border-color: var(--cyan); }

.select-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: max-content;
  background: var(--surface-light);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  margin-top: 2px;
  z-index: 100;
  max-height: 160px;
  overflow-y: auto;
}

.select-dropdown.open { display: block; }

.select-dropdown.flip-up {
  bottom: 100%;
  top: auto;
  margin-top: 0;
  margin-bottom: 2px;
  border-radius: 4px;
}

.select-option {
  padding: 6px 10px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

.select-option:hover { background: rgba(0,212,255,.15); color: var(--cyan); }
.select-option.selected { color: var(--cyan); background: rgba(0,212,255,.08); }

/* Accent select variants */
.select-wrap.accent-orange .select-box { color: var(--orange); }
.select-wrap.accent-orange .select-box:hover { border-color: var(--orange); }
.select-wrap.accent-green .select-box { color: var(--green); }
.select-wrap.accent-green .select-box:hover { border-color: var(--green); }

/* ===== TOGGLE ===== */
.toggle-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.toggle-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.toggle {
  width: 40px;
  height: 20px;
  background: #222;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  transition: background .2s, border-color .2s;
}

.toggle-handle {
  position: absolute;
  width: 16px;
  height: 16px;
  background: #555;
  border-radius: 50%;
  top: 1px;
  left: 1px;
  transition: transform .2s, background .2s, box-shadow .2s;
}

.toggle.on { background: rgba(0,255,136,.15); border-color: var(--green); }
.toggle.on .toggle-handle { transform: translateX(20px); background: var(--green); box-shadow: 0 0 8px var(--green); }

.toggle-state {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--text-dim);
}

.toggle.on + .toggle-state { color: var(--green); }

/* ===== FOOTER ===== */
.main-footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 24px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
}

.main-footer a {
  color: var(--cyan);
  text-decoration: none;
}

.main-footer a:hover { text-decoration: underline; }

/* ===== MONITOR TAB ===== */
.monitor-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
}

.monitor-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.mon-btn {
  background: var(--surface-light);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 12px;
  border-radius: 3px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .15s;
}

.mon-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.mon-btn.active { border-color: var(--green); color: var(--green); background: rgba(0,255,136,.08); }

.mon-sep { color: var(--border); font-size: 14px; }

.mon-filter-label {
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  user-select: none;
}

.mon-filter-label input { accent-color: var(--cyan); }

.mon-count {
  font-family: Consolas, 'Courier New', monospace;
  font-size: 11px;
  color: var(--text-dim);
  margin-left: auto;
}

.monitor-log {
  flex: 1;
  background: #0a0a15;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  overflow-y: auto;
  font-family: Consolas, 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.6;
}

.mon-row {
  display: flex;
  gap: 12px;
  padding: 2px 12px;
  align-items: baseline;
  transition: background .1s;
  flex-wrap: wrap;
}

.mon-row:hover { background: rgba(255,255,255,.04); }
.mon-row.mon-even { background: rgba(255,255,255,.015); }
.mon-row.mon-even:hover { background: rgba(255,255,255,.04); }

.mon-time { color: #c0c0d8; min-width: 100px; flex-shrink: 0; }
.mon-dir { font-weight: 700; min-width: 50px; flex-shrink: 0; }
.mon-dir-out { color: var(--cyan); }
.mon-dir-in { color: var(--green); }
.mon-type { color: var(--orange); min-width: 70px; flex-shrink: 0; }
.mon-detail { color: var(--text); flex: 1; }

.mon-hex-toggle {
  font-size: 9px;
  color: #aaaacc;
  cursor: pointer;
  border: 1px solid #555;
  padding: 0 4px;
  border-radius: 2px;
  flex-shrink: 0;
}

.mon-hex-toggle:hover { color: var(--cyan); border-color: var(--cyan); }

.mon-hex {
  display: none;
  width: 100%;
  color: #c8c8e0;
  font-size: 10px;
  padding: 2px 0 2px 112px;
  word-break: break-all;
}

.mon-hex.show { display: block; }

/* ===== RANDOMIZER PANEL ===== */
.randomizer-panel {
  position: fixed;
  top: 60px;
  right: 24px;
  left: auto;
  width: 300px;
  background: var(--surface);
  border: 1px solid var(--cyan);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,.6), 0 0 20px rgba(0,212,255,.15);
  z-index: 1000;
  padding: 16px;
}

.rp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.rp-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--cyan);
}

.rp-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
}

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

.rp-section {
  margin-bottom: 16px;
}

.rp-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.rp-intensity {
  display: flex;
  gap: 4px;
}

.rp-level-btn {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 4px;
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  transition: all .15s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rp-level-btn:hover { border-color: var(--cyan); color: var(--text); }

.rp-level-btn.active {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,212,255,.2);
}

.rp-locks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.rp-lock-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all .15s;
}

.rp-lock-item:hover { border-color: var(--text-dim); }

.rp-lock-item input { display: none; }

.rp-lock-item:has(input:checked) {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255, 107, 53, 0.08);
}

.rp-lock-icon { font-size: 12px; }

.rp-go-btn {
  width: 100%;
  background: linear-gradient(135deg, rgba(0,212,255,.2), rgba(0,212,255,.05));
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all .2s;
}

.rp-go-btn:hover {
  background: linear-gradient(135deg, rgba(0,212,255,.3), rgba(0,212,255,.1));
  box-shadow: 0 0 16px rgba(0,212,255,.3);
}

.rp-go-btn:active {
  transform: scale(0.98);
}

.rp-seq-btn {
  margin-top: 6px;
  background: linear-gradient(135deg, rgba(255,165,0,.2), rgba(255,165,0,.05));
  border-color: #ffa500;
  color: #ffa500;
}

.rp-seq-btn:hover {
  background: linear-gradient(135deg, rgba(255,165,0,.3), rgba(255,165,0,.1));
  box-shadow: 0 0 16px rgba(255,165,0,.3);
}

/* ===== RANDOMIZE TOAST ===== */
.randomize-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--cyan);
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text);
  z-index: 1001;
  box-shadow: 0 4px 20px rgba(0,0,0,.5), 0 0 12px rgba(0,212,255,.2);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toast-in .3s ease-out;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.toast-undo-btn {
  background: rgba(0,212,255,.15);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all .15s;
}

.toast-undo-btn:hover {
  background: rgba(0,212,255,.25);
}

#randomize-btn {
  cursor: pointer;
  opacity: 1;
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ===== MIDI KEYBOARD ===== */
#midi-keyboard {
  position: sticky;
  bottom: 0;
  z-index: 50;
  overflow-x: auto;
  padding: 14px;
  background: linear-gradient(180deg, #171c25 0%, #0d1016 100%);
  border-top: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.35);
}

/* Keyboard toolbar */
.keyboard-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 14px;
  background: linear-gradient(180deg, #1a1f2a 0%, #13171f 100%);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.vel-toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.vel-toggle-label input {
  accent-color: var(--cyan);
}

.vel-slider {
  width: 120px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.vel-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px rgba(0,212,255,0.4);
  cursor: pointer;
}

.vel-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: none;
  box-shadow: 0 0 6px rgba(0,212,255,0.4);
  cursor: pointer;
}

.vel-slider:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.vel-value {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--cyan);
  min-width: 28px;
  text-align: center;
}

.keyboard-toolbar.dynamic .vel-value {
  color: var(--text-dim);
}

.midi-keyboard {
  --white-key-width: 28px;
  --white-key-height: 92px;
  --black-key-width: 18px;
  --black-key-height: 54px;
  position: relative;
  width: calc(43 * var(--white-key-width));
  min-width: calc(43 * var(--white-key-width));
  margin: 0 auto;
  padding: 10px;
  border-radius: 16px;
  background: linear-gradient(180deg, #0f1319 0%, #0a0d12 100%);
  border: 1px solid rgba(255,255,255,0.05);
}

.white-keys {
  display: flex;
  position: relative;
  z-index: 1;
}

.key {
  position: relative;
  flex: 0 0 auto;
}

.key.white {
  width: var(--white-key-width);
  height: var(--white-key-height);
  margin-left: -1px;
  border-radius: 0 0 8px 8px;
  border: 1px solid #cfd5df;
  background: linear-gradient(180deg, #ffffff 0%, #f5f7fb 55%, #e4e9f1 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -5px 8px rgba(0,0,0,0.07);
  cursor: pointer;
}

.key.white:first-child { margin-left: 0; }

.key.white::after {
  content: "";
  position: absolute;
  left: 18%; right: 18%; bottom: 8px;
  height: 6px;
  border-radius: 999px;
  background: rgba(0,0,0,0.05);
}

.key.black {
  position: absolute;
  top: 10px;
  left: calc((var(--pos) * var(--white-key-width)) - (var(--black-key-width) / 2) + 10px);
  width: var(--black-key-width);
  height: var(--black-key-height);
  border-radius: 0 0 6px 6px;
  background: linear-gradient(180deg, #343c49 0%, #161b24 45%, #080a0e 100%);
  border: 1px solid #050608;
  z-index: 2;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), inset 0 -4px 8px rgba(0,0,0,0.35), 0 5px 10px rgba(0,0,0,0.22);
  cursor: pointer;
}

.key.white:hover {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 55%, #edf2f8 100%);
}

.key.black:hover {
  background: linear-gradient(180deg, #414b5b 0%, #1b212b 45%, #090b10 100%);
}

.key.white:active, .key.black:active {
  transform: translateY(1px);
}

/* Active state — note playing */
.key.white.active {
  background: linear-gradient(180deg, #ccfbff 0%, #a0f0ff 55%, #70e0f0 100%);
  border-color: var(--cyan);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -5px 8px rgba(0,0,0,0.07), 0 0 12px rgba(0,212,255,0.5);
}

.key.black.active {
  background: linear-gradient(180deg, #4a5a6a 0%, #2a3a4a 45%, #1a2a3a 100%);
  border-color: var(--cyan);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), inset 0 -4px 8px rgba(0,0,0,0.35), 0 0 12px rgba(0,212,255,0.5);
}

/* ===== PATCH IO ===== */
.patch-io-row {
  gap: 12px;
  justify-content: flex-start;
}

.patch-io-row .midi-btn {
  padding: 8px 16px;
  font-size: 13px;
}

.patch-notification {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  z-index: 10000;
  display: none;
  animation: patch-notify-in 0.3s ease;
}

.patch-notification.is-visible {
  display: block;
}

.patch-notification.success {
  background: var(--green);
  color: var(--bg);
}

.patch-notification.error {
  background: #ff4444;
  color: #fff;
}

@keyframes patch-notify-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== GLOBAL TAB ===== */
.global-layout {
  max-width: 800px;
}

.global-header-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.global-header-row .section-title {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.global-sync-label {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.global-sync-label.synced {
  color: var(--green);
}

.global-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.global-card-title {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.global-controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 12px;
}

.global-controls-row:last-child {
  margin-bottom: 0;
}

.global-select-wrap {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.global-select {
  background: var(--surface-light);
  border: 1px solid var(--border);
  color: var(--cyan);
  padding: 6px 10px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  transition: border-color .2s;
}

.global-select:hover { border-color: var(--cyan); }
.global-select:focus { border-color: var(--cyan); box-shadow: 0 0 6px rgba(0, 212, 255, .3); }

.global-select option {
  background: var(--surface);
  color: var(--text);
}

.global-toggle-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  user-select: none;
}

/* ===== BANK MANAGER ===== */
.bank-manager {
  margin-bottom: 20px;
}

.bank-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.bank-selector {
  display: flex;
  gap: 0;
}

.bank-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all .2s;
}

.bank-btn:first-child { border-radius: 6px 0 0 6px; }
.bank-btn:last-child { border-radius: 0 6px 6px 0; }
.bank-btn + .bank-btn { margin-left: -1px; }

.bank-btn:hover { color: var(--text); border-color: var(--cyan); z-index: 1; }

.bank-btn.active {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.2);
  z-index: 2;
}

.bank-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.bank-actions .midi-btn {
  padding: 6px 12px;
  font-size: 11px;
}

.patch-current-label {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 1px;
  margin-left: auto;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
}

.prog-slot {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px 2px;
  cursor: pointer;
  text-align: center;
  transition: all .15s;
  min-height: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.prog-slot:hover {
  border-color: var(--cyan);
  background: var(--surface-light);
}

.prog-slot.occupied {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.2);
}

.prog-slot.selected {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
  background: rgba(0, 212, 255, 0.12);
}

.prog-num {
  font-family: 'Courier New', monospace;
  font-size: 9px;
  color: var(--text-dim);
  line-height: 1;
}

.prog-slot.occupied .prog-num { color: var(--cyan); }

.prog-name {
  font-size: 7px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  line-height: 1.2;
}

.prog-slot.occupied .prog-name { color: var(--text); }

/* Save As Dialog */
.save-as-dialog {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.save-as-dialog.is-visible {
  display: flex;
}

.save-as-content {
  background: var(--surface);
  border: 1px solid var(--cyan);
  border-radius: 8px;
  padding: 24px;
  min-width: 340px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 212, 255, 0.15);
}

.save-as-row {
  margin-bottom: 16px;
}

.save-as-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  outline: none;
  margin-top: 4px;
}

.save-as-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.3);
}

.save-as-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.save-as-banks { margin-top: 4px; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ===== SEQ RANDOMIZE ===== */
.seq-randomize-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  margin-left: 8px;
  line-height: 1;
  transition: border-color 0.2s;
}
.seq-randomize-btn:hover {
  border-color: var(--accent);
}

/* Parameter Tooltip (#622) */
.param-tooltip {
  position: absolute;
  z-index: 9999;
  background: #1a1a2e;
  color: #e0e0e0;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 11px;
  line-height: 1.4;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

/* Compare A/B */
.compare-btn.compare-active { background: #e8a020; color: #000; box-shadow: 0 0 8px rgba(232,160,32,0.5); }
.rp-undo-btn { background: #333 !important; border-color: #666 !important; margin-top: 4px; }
.rp-undo-btn:hover { background: #444 !important; border-color: #888 !important; }

/* Locked param indicator */
.param-group.locked, .knob-group.locked { opacity: 0.5; position: relative; }
.param-group.locked::after, .knob-group.locked::after {
  content: "🔒"; position: absolute; top: 2px; right: 2px; font-size: 10px; pointer-events: none;
}

/* MIDI Activity LED */
.midi-led-group { display: inline-flex; align-items: center; margin-left: 6px; gap: 2px; }
.midi-led { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #333; margin: 0 2px; transition: background 0.05s; font-size: 0; line-height: 0; overflow: hidden; }
.midi-led-in.active { background: #0f0; box-shadow: 0 0 6px #0f0; }
.midi-led-out.active { background: #f00; box-shadow: 0 0 6px #f00; }

/* ===== MIDI KEYBOARD (NEW DESIGN) ===== */
#midi-keyboard {
  width: 100%;
  background: var(--bg);
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.midi-keyboard {
  display: flex;
  flex-direction: column;
  gap: 0;
  height: 100%;
}

/* Controls Row */
.controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-wrap: wrap;
}

.vel-group, .octave-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
}

.vel-label, .octave-label {
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.vel-val, .oct-display {
  color: var(--orange);
  font-weight: 600;
  min-width: 24px;
}

.ctrl-btn, .oct-btn {
  width: 22px;
  height: 22px;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.1s;
  font-size: 12px;
}

.ctrl-btn:hover, .oct-btn:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.ctrl-btn:active, .oct-btn:active {
  background: rgba(255, 107, 53, 0.1);
  transform: scale(0.95);
}

.v-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.vel-slider {
  -webkit-appearance: none;
  width: 60px;
  height: 3px;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: 2px;
  outline: none;
}

.vel-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  cursor: pointer;
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px rgba(255, 107, 53, 0.5);
}

.vel-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  cursor: pointer;
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px rgba(255, 107, 53, 0.5);
}

.active-notes {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-left: auto;
}

.note-chip {
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(255, 107, 53, 0.15);
  border: 1px solid rgba(255, 107, 53, 0.4);
  border-radius: 10px;
  color: var(--orange);
}

/* Wheels + Keys */
.keys-wheels-row {
  display: flex;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.wheels-section {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-shrink: 0;
  padding: 12px 12px 16px 16px;
  border-right: 1px solid var(--border);
}

.wheel-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.wheel-label {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.wheel-track {
  position: relative;
  width: 32px;
  height: 100px;
  background: #0a0a0d;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: ns-resize;
  user-select: none;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.7);
}

.wheel-center-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--orange);
  opacity: 0.15;
  pointer-events: none;
}

.wheel-thumb {
  position: absolute;
  left: 3px;
  right: 3px;
  height: 24px;
  background: linear-gradient(180deg, #3a3c47 0%, #24262e 100%);
  border: 1px solid var(--orange);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.35);
  transition: box-shadow 0.1s;
}

.wheel-thumb::after {
  content: '';
  width: 16px;
  height: 2px;
  background: var(--orange);
  border-radius: 1px;
  opacity: 0.7;
}

.wheel-track.dragging .wheel-thumb {
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.5);
}

.wheel-value {
  font-size: 11px;
  color: var(--orange);
  min-width: 36px;
  text-align: center;
}

.keys-section {
  flex: 1;
  padding: 12px 16px 16px;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--bg);
}

.keys-section::-webkit-scrollbar {
  height: 3px;
}

.keys-section::-webkit-scrollbar-track {
  background: transparent;
}

.keys-section::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.keyboard {
  position: relative;
  display: flex;
  align-items: flex-start;
  height: 130px;
  min-width: fit-content;
  width: 100%;
}

/* White Keys */
.key-white {
  position: relative;
  min-width: 28px;
  max-width: 50px;
  height: 100%;
  background: linear-gradient(180deg, #e8e4d8 0%, #d4d0c4 100%);
  border: 1px solid #b0a890;
  border-top: none;
  border-radius: 0 0 3px 3px;
  cursor: pointer;
  user-select: none;
  transition: background 0.06s;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6px;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.1);
  z-index: 1;
  flex-shrink: 0;
}

.key-white:hover {
  background: linear-gradient(180deg, #fffdf5 0%, #e8e4d8 100%);
}

.key-white.active {
  background: linear-gradient(180deg, #ffcf7a 0%, #e8a840 100%);
  box-shadow: inset 0 4px 8px rgba(0, 0, 0, 0.15);
}

.key-white .key-label {
  font-family: monospace;
  font-size: 7px;
  color: #8a8470;
  pointer-events: none;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%) rotate(-90deg);
  transform-origin: center;
}

/* Black Keys */
.key-black {
  position: absolute;
  width: calc((100% / 52) * 0.6);
  min-width: 16px;
  max-width: 30px;
  height: 62%;
  background: linear-gradient(180deg, #252830 0%, #1a1b1f 100%);
  border: 1px solid #0a0a0c;
  border-top: none;
  border-radius: 0 0 3px 3px;
  cursor: pointer;
  user-select: none;
  transition: background 0.06s;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
  box-shadow: 2px 4px 8px rgba(0, 0, 0, 0.6);
  flex-shrink: 0;
}

.key-black:hover {
  background: linear-gradient(180deg, #32353f 0%, #252730 100%);
}

.key-black.active {
  background: linear-gradient(180deg, #bf5c00 0%, #8a3d00 100%);
  box-shadow: 1px 2px 4px rgba(0, 0, 0, 0.7);
}

.key-black .key-label {
  font-family: monospace;
  font-size: 7px;
  color: rgba(255, 255, 255, 0.2);
  pointer-events: none;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%) rotate(-90deg);
  transform-origin: center;
}

.key-black.active .key-label {
  color: rgba(255, 200, 100, 0.7);
}

/* === V2 a11y skip-link === */
.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 100000;
  padding: 0.5rem 1rem;
  background: var(--bg, #0a0a0a);
  color: var(--cyan, #00d4ff);
  text-decoration: none;
  font-weight: 700;
  border: 2px solid var(--cyan, #00d4ff);
  border-radius: 4px;
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 8px;
}

/* TG77 skeleton — section scaffold placeholder note */
.scaffold-note {
  margin: 14px 4px 4px;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
  background: rgba(160, 107, 255, 0.06);
  border: 1px dashed var(--border);
  border-radius: 6px;
}

/* ===== Segmented selector (AFM operators / elements) ===== */
.seg-select {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 14px;
}
.seg-btn {
  flex: 1 1 auto;
  min-width: 52px;
  padding: 7px 10px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  transition: color .12s, border-color .12s, background .12s;
}
.seg-btn:hover { color: var(--text); border-color: var(--cyan); }
.seg-btn.active {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}
.param-pane { display: none; }
.param-pane.active { display: block; }

/* ===== Multi-mode 16-part grid ===== */
.multi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 10px;
}
.multi-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.multi-part-label {
  flex: 0 0 26px;
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  align-self: center;
}
.multi-row .knob-wrap { gap: 3px; }
.multi-row .knob-label { font-size: 10px; }