/* ==========================================================================
   Fijate Tools - Secuenciador Groovebox (Novation Circuit Authentic Cyber-Hardware)
   ========================================================================== */

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  --bg-app: #080a0f;
  --bg-card: #12151f;
  --border-color: #1e2433;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Authentic Novation Circuit Neon Palette */
  --gb-synth1: #e8248c;
  --gb-synth1-glow: rgba(232, 36, 140, 0.65);
  --gb-synth1-bg: rgba(232, 36, 140, 0.18);
  --gb-synth1-pad: #380824;

  --gb-synth2: #00e5ff;
  --gb-synth2-glow: rgba(0, 229, 255, 0.65);
  --gb-synth2-bg: rgba(0, 229, 255, 0.18);
  --gb-synth2-pad: #062a33;

  --gb-drum1: #ff5e00;
  --gb-drum1-glow: rgba(255, 94, 0, 0.65);
  --gb-drum1-bg: rgba(255, 94, 0, 0.18);
  --gb-drum1-pad: #381504;

  --gb-drum2: #ff9500;
  --gb-drum2-glow: rgba(255, 149, 0, 0.65);
  --gb-drum2-bg: rgba(255, 149, 0, 0.18);
  --gb-drum2-pad: #382004;

  --gb-drum3: #ffd000;
  --gb-drum3-glow: rgba(255, 208, 0, 0.65);
  --gb-drum3-bg: rgba(255, 208, 0, 0.18);
  --gb-drum3-pad: #382d04;

  --gb-drum4: #84cc16;
  --gb-drum4-glow: rgba(132, 204, 22, 0.65);
  --gb-drum4-bg: rgba(132, 204, 22, 0.18);
  --gb-drum4-pad: #1e2e04;

  --gb-cyan-btn: #00d2ff;
  --gb-cyan-glow: rgba(0, 210, 255, 0.55);

  --gb-rec-red: #ef4444;
  --gb-rec-glow: rgba(239, 68, 68, 0.85);

  --gb-play-green: #10b981;
  --gb-play-glow: rgba(16, 185, 129, 0.85);
}

[data-theme="light"] {
  --bg-app: #f1f5f9;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

button, input, select, textarea {
  font-family: inherit;
}

.main-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem;
  box-sizing: border-box;
}

.tool-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1.5rem;
  align-items: start;
}

.tool-main-content {
  min-width: 0;
}

/* ==========================================================================
   Hardware Chassis (Novation Circuit Inspired Matte Dark Texture)
   ========================================================================== */
.groovebox-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto 2.5rem auto;
  box-sizing: border-box;
}

.hardware-chassis {
  background: radial-gradient(circle at 50% 15%, #181b24 0%, #0d0f14 100%);
  border: 2px solid #232838;
  border-radius: 24px;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  user-select: none;
  touch-action: manipulation;
}

/* Novation Hardware Top Header Branding */
.chassis-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #1c212f;
}

.circuit-logo-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 1px;
  color: #fff;
}

.circuit-logo-left svg {
  color: #00e5ff;
}

.circuit-logo-right {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: 3px;
  color: #f8fafc;
}

.circuit-logo-right span {
  color: #00e5ff;
}

/* Mini OLED / Visualizer Bar */
.chassis-screen-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
  background: #050608;
  border: 1px solid #1c2130;
  border-radius: 12px;
  padding: 0.6rem 1rem;
  margin-bottom: 1.25rem;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.9);
}

.screen-visualizer-box {
  display: flex;
  align-items: center;
  height: 44px;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #151a24;
}

#visualizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.screen-telemetry {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.telemetry-label {
  font-size: 0.62rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.telemetry-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: #00e5ff;
}

.stereo-vu-container {
  display: flex;
  gap: 4px;
  height: 32px;
  background: #080a0f;
  padding: 2px 4px;
  border-radius: 4px;
  border: 1px solid #1c212f;
}

.vu-bar {
  width: 5px;
  height: 100%;
  background: #151924;
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.vu-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(to top, #10b981 0%, #10b981 70%, #f59e0b 70%, #f59e0b 88%, #ef4444 88%, #ef4444 100%);
  transition: height 0.05s ease;
}

/* ==========================================================================
   8 Rotary Macro Knobs with Colored Illuminated Notches
   ========================================================================== */
.macro-knobs-section {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 0.65rem;
  background: rgba(8, 10, 15, 0.7);
  border: 1px solid #1f2536;
  border-radius: 16px;
  padding: 1rem 0.6rem;
  margin-bottom: 1.25rem;
  align-items: start;
}

.knob-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  cursor: grab;
}

.knob-widget:active {
  cursor: grabbing;
}

.knob-rotary-body {
  width: 54px;
  height: 54px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.knob-svg-ring {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  transform: rotate(-90deg);
}

.knob-ring-bg {
  stroke: #1e2433;
  stroke-width: 4;
  fill: none;
}

.knob-ring-fill {
  stroke-width: 4;
  stroke-linecap: round;
  fill: none;
  stroke-dasharray: 157;
  stroke-dashoffset: 78;
  transition: stroke-dashoffset 0.05s linear;
}

.knob-dial-cap {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #2a3042 0%, #11141c 100%);
  box-shadow: 0 4px 10px rgba(0,0,0,0.8), 0 0 0 1px #333a50 inset;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.knob-pointer-line {
  position: absolute;
  top: 3px;
  width: 3px;
  height: 10px;
  background: #ffffff;
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(255,255,255,0.9);
  transform-origin: 50% 17px;
  transform: rotate(0deg);
}

/* Individual Knob Color LEDs underneath (Novation Circuit Signature) */
.knob-synth1 .knob-ring-fill { stroke: var(--gb-synth1) !important; filter: drop-shadow(0 0 4px var(--gb-synth1-glow)); }
.knob-synth2 .knob-ring-fill { stroke: var(--gb-synth2) !important; filter: drop-shadow(0 0 4px var(--gb-synth2-glow)); }
.knob-drum1  .knob-ring-fill { stroke: var(--gb-drum1) !important; filter: drop-shadow(0 0 4px var(--gb-drum1-glow)); }
.knob-drum2  .knob-ring-fill { stroke: var(--gb-drum2) !important; filter: drop-shadow(0 0 4px var(--gb-drum2-glow)); }
.knob-drum3  .knob-ring-fill { stroke: var(--gb-drum3) !important; filter: drop-shadow(0 0 4px var(--gb-drum3-glow)); }
.knob-drum4  .knob-ring-fill { stroke: var(--gb-drum4) !important; filter: drop-shadow(0 0 4px var(--gb-drum4-glow)); }
.knob-master-volume .knob-ring-fill { stroke: #38bdf8 !important; }
.knob-master-filter .knob-ring-fill { stroke: #a855f7 !important; filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.6)); }

.knob-name-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.knob-value-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  margin-top: 1px;
}

/* ==========================================================================
   Toolbar Strip (Neon Blue Backlit Buttons & Brackets)
   ========================================================================== */
.toolbar-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: #0f121a;
  border: 1px solid #1f2538;
  border-radius: 12px;
  padding: 0.55rem 0.85rem;
  margin-bottom: 1.25rem;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-ctrl {
  background: #171b26;
  color: var(--text-main);
  border: 1px solid #283147;
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.15s ease;
  min-height: 36px;
}

.btn-ctrl:hover {
  background: #202738;
  border-color: var(--gb-cyan-btn);
  color: #fff;
  box-shadow: 0 0 8px var(--gb-cyan-glow);
}

.btn-ctrl.btn-cyan-active {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--gb-cyan-btn);
  color: #00e5ff;
  box-shadow: 0 0 12px var(--gb-cyan-glow);
}

.tempo-box {
  display: flex;
  align-items: center;
  background: #090b10;
  border: 1px solid #232a3d;
  border-radius: 8px;
  padding: 0 0.5rem;
}

.tempo-box label {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--text-dim);
  margin-right: 0.35rem;
}

.tempo-input {
  width: 52px;
  background: transparent;
  border: none;
  color: #00e5ff;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 800;
  text-align: center;
  outline: none;
}

/* ==========================================================================
   Track Header Strip (SYNTH 1, SYNTH 2, DRUMS Brackets & Boxes)
   ========================================================================== */
.track-select-strip {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr 1fr 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.track-group-bracket {
  display: flex;
  gap: 0.4rem;
  background: rgba(10, 12, 18, 0.6);
  border-radius: 12px;
  padding: 0.35rem;
  position: relative;
}

.bracket-synth1 { border: 1.5px solid var(--gb-synth1); box-shadow: 0 0 10px var(--gb-synth1-glow) inset; }
.bracket-synth2 { border: 1.5px solid var(--gb-synth2); box-shadow: 0 0 10px var(--gb-synth2-glow) inset; }

.btn-danger-nov {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  color: #fca5a5;
}

.btn-danger-nov:hover {
  background: #dc2626;
  color: #fff;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.8);
}

.track-pill-top,
.track-pill-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.25rem;
}

.track-mute-btn {
  font-size: 0.58rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
  background: #202738;
  color: var(--text-muted);
  border: 1px solid #2e384e;
  cursor: pointer;
  transition: all 0.15s ease;
}

.track-mute-btn:hover {
  background: #2e384e;
  color: #fff;
}

.track-mute-btn.is-muted {
  background: #ef4444 !important;
  color: #fff !important;
  border-color: #ef4444 !important;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
}

.track-steps-badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  color: var(--text-dim);
  background: rgba(0,0,0,0.4);
  padding: 1px 4px;
  border-radius: 4px;
}

.track-steps-badge.has-active-steps {
  color: #00e5ff;
  font-weight: 800;
}

.track-pill-btn {
  flex: 1 1 0%;
  background: #141722;
  border: 2px solid #242b3d;
  border-radius: 10px;
  padding: 0.45rem 0.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.track-pill-btn.is-track-muted {
  opacity: 0.55;
  filter: grayscale(0.6);
}

.track-pill-btn:hover {
  background: #1d2233;
}

.track-pill-btn.active-track {
  box-shadow: 0 0 18px var(--track-glow, rgba(0, 229, 255, 0.5));
  border-color: var(--track-color, #00e5ff) !important;
  background: var(--track-bg, #1c2233) !important;
}

.track-pill-name {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  color: #fff;
}

.track-pill-status {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-dim);
}

.sidechain-badge {
  font-size: 0.58rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
  background: #202738;
  color: var(--text-dim);
}

.sidechain-badge.sc-active {
  background: rgba(232, 36, 140, 0.3);
  color: var(--gb-synth1);
  border: 1px solid var(--gb-synth1);
  box-shadow: 0 0 8px var(--gb-synth1-glow);
}

.track-synth1 { --track-color: var(--gb-synth1); --track-glow: var(--gb-synth1-glow); --track-bg: var(--gb-synth1-bg); }
.track-synth2 { --track-color: var(--gb-synth2); --track-glow: var(--gb-synth2-glow); --track-bg: var(--gb-synth2-bg); }
.track-drum1  { --track-color: var(--gb-drum1);  --track-glow: var(--gb-drum1-glow);  --track-bg: var(--gb-drum1-bg); }
.track-drum2  { --track-color: var(--gb-drum2);  --track-glow: var(--gb-drum2-glow);  --track-bg: var(--gb-drum2-bg); }
.track-drum3  { --track-color: var(--gb-drum3);  --track-glow: var(--gb-drum3-glow);  --track-bg: var(--gb-drum3-bg); }
.track-drum4  { --track-color: var(--gb-drum4);  --track-glow: var(--gb-drum4-glow);  --track-bg: var(--gb-drum4-bg); }

/* ==========================================================================
   Performance Grid: Left Round Buttons + 32 RGB Pads + Right Round Buttons
   ========================================================================== */
.performance-core-grid {
  display: grid;
  grid-template-columns: 76px 1fr 76px;
  gap: 1rem;
  align-items: stretch;
}

/* Left & Right Round Illuminated Novation Circuit Buttons */
.modes-sidebar,
.transport-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  justify-content: space-between;
}

.btn-circle-nov {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #252b3b 0%, #11141c 100%);
  border: 2px solid #2e374d;
  color: #94a3b8;
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 4px 8px rgba(0,0,0,0.6);
  text-align: center;
  padding: 2px;
}

.btn-circle-nov:hover {
  border-color: #00e5ff;
  color: #fff;
  box-shadow: 0 0 12px var(--gb-cyan-glow);
}

.btn-circle-nov.active-circle {
  border-color: #00e5ff;
  color: #fff;
  background: radial-gradient(circle at 35% 35%, #0284c7 0%, #0369a1 100%);
  box-shadow: 0 0 16px var(--gb-cyan-glow);
}

/* Note button warm illumination */
#mode-btn-note.active-circle {
  border-color: #f97316;
  background: radial-gradient(circle at 35% 35%, #ea580c 0%, #9a3412 100%);
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.7);
}

/* Record button illuminated red */
.btn-nov-rec {
  border-color: #7f1d1d;
  color: #fca5a5;
}

.btn-nov-rec.is-recording {
  border-color: var(--gb-rec-red);
  background: radial-gradient(circle at 35% 35%, #dc2626 0%, #991b1b 100%);
  color: #fff;
  box-shadow: 0 0 22px var(--gb-rec-glow);
  animation: pulse-rec 1s infinite alternate;
}

/* Play button illuminated green */
.btn-nov-play {
  border-color: #064e3b;
  color: #6ee7b7;
}

.btn-nov-play.is-playing {
  border-color: var(--gb-play-green);
  background: radial-gradient(circle at 35% 35%, #10b981 0%, #047857 100%);
  color: #fff;
  box-shadow: 0 0 22px var(--gb-play-glow);
}

@keyframes pulse-rec {
  0% { box-shadow: 0 0 10px var(--gb-rec-glow); }
  100% { box-shadow: 0 0 25px var(--gb-rec-glow); }
}

/* ==========================================================================
   Dual Hardware Matrix: 16 Live Instrument Pads (Top) + 32 Steps Grid (Bottom)
   ========================================================================== */
.pad-matrix-container {
  background: #07080c;
  border: 2px solid #1f2536;
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: inset 0 6px 20px rgba(0,0,0,0.9);
}

.panel-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid #192030;
}

.panel-section-title {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.panel-section-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: #00e5ff;
}

/* 16 Live Instrument / Keyboard Pads Grid (2 Rows x 8 Columns) */
.instrument-pads-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.35rem;
}

.inst-pad {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.7), inset 0 1px 2px rgba(255,255,255,0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  user-select: none;
}

.inst-pad:active {
  transform: scale(0.94);
}

/* 4 Distinct Color Column Pairs for Instrument Pads */
.inst-pad:nth-child(8n+1),
.inst-pad:nth-child(8n+2) {
  background: radial-gradient(circle at 40% 40%, #58123c 0%, #29051b 100%);
  border-color: rgba(232, 36, 140, 0.45);
  box-shadow: 0 0 10px rgba(232, 36, 140, 0.3);
}

.inst-pad:nth-child(8n+3),
.inst-pad:nth-child(8n+4) {
  background: radial-gradient(circle at 40% 40%, #0d4a57 0%, #052229 100%);
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.inst-pad:nth-child(8n+5),
.inst-pad:nth-child(8n+6) {
  background: radial-gradient(circle at 40% 40%, #5c2708 0%, #2b1103 100%);
  border-color: rgba(255, 94, 0, 0.45);
  box-shadow: 0 0 10px rgba(255, 94, 0, 0.3);
}

.inst-pad:nth-child(8n+7),
.inst-pad:nth-child(8n+8) {
  background: radial-gradient(circle at 40% 40%, #544409 0%, #261f03 100%);
  border-color: rgba(255, 208, 0, 0.45);
  box-shadow: 0 0 10px rgba(255, 208, 0, 0.3);
}

.inst-pad.is-selected-inst {
  border-color: #ffffff !important;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.8), inset 0 0 8px rgba(255, 255, 255, 0.5) !important;
}

/* 32 Continuous Step Sequencer Pads Grid (2 Rows x 16 Columns) */
.steps-grid-32 {
  display: grid;
  grid-template-columns: repeat(16, minmax(0, 1fr));
  grid-template-rows: repeat(2, 1fr);
  gap: 0.38rem;
}

.step-pad-32 {
  aspect-ratio: 1 / 1.1;
  border-radius: 8px;
  background: #11141e;
  border: 1.5px solid #232a3d;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.1s ease;
  user-select: none;
  min-width: 0;
  position: relative;
}

.step-pad-32:hover {
  border-color: #00e5ff;
  background: #192030;
}

.step-pad-32:active {
  transform: scale(0.93);
}

/* 4-beat bar grouping subtle separator on steps */
.step-pad-32:nth-child(4n) {
  margin-right: 0.15rem;
}

/* Active Step Pad on 32-step grid */
.step-pad-32.pad-active-step {
  border-color: #ffffff !important;
  background: radial-gradient(circle at 50% 50%, var(--track-color, #00e5ff) 0%, #0a1120 100%) !important;
  box-shadow: 0 0 14px var(--track-glow, rgba(0, 229, 255, 0.7)), inset 0 0 6px #fff !important;
}

.step-pad-32.pad-active-step .step-label-num {
  color: #fff !important;
  font-weight: 900 !important;
}

.step-pad-32.pad-active-step .step-label-sub {
  color: #fff !important;
  font-weight: 800 !important;
}

/* Playhead Scanning Highlight */
.step-pad-32.pad-playhead-highlight {
  border-color: #ffffff !important;
  box-shadow: 0 0 20px #ffffff, inset 0 0 10px #ffffff !important;
  transform: scale(1.08);
  z-index: 5;
  background: #ffffff !important;
}

.step-pad-32.pad-playhead-highlight .step-label-num,
.step-pad-32.pad-playhead-highlight .step-label-sub {
  color: #000000 !important;
  font-weight: 900 !important;
}

.step-label-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: #cbd5e1;
  pointer-events: none;
}

.step-label-sub {
  font-family: var(--font-heading);
  font-size: 0.52rem;
  font-weight: 700;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 95%;
  pointer-events: none;
}

/* Responsive adjustment for steps grid on smaller screens */
@media (max-width: 900px) {
  .steps-grid-32 {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    grid-template-rows: repeat(4, 1fr);
  }
}

.gb-pad {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.7), inset 0 1px 2px rgba(255,255,255,0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  overflow: hidden;
  border: 1.5px solid transparent;
}

.gb-pad:active {
  transform: scale(0.93);
}

/* 4 Distinct Color Column Pairs (Novation Circuit Signature Lighting) */
/* Columns 1 & 2: Vivid Magenta / Purple Backlit Pads */
.gb-pad:nth-child(8n+1),
.gb-pad:nth-child(8n+2) {
  background: radial-gradient(circle at 40% 40%, #58123c 0%, #29051b 100%);
  border-color: rgba(232, 36, 140, 0.4);
  box-shadow: 0 0 10px rgba(232, 36, 140, 0.25);
}

/* Columns 3 & 4: Vivid Cyan / Aqua Backlit Pads */
.gb-pad:nth-child(8n+3),
.gb-pad:nth-child(8n+4) {
  background: radial-gradient(circle at 40% 40%, #0d4a57 0%, #052229 100%);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.25);
}

/* Columns 5 & 6: Vivid Orange / Amber Backlit Pads */
.gb-pad:nth-child(8n+5),
.gb-pad:nth-child(8n+6) {
  background: radial-gradient(circle at 40% 40%, #5c2708 0%, #2b1103 100%);
  border-color: rgba(255, 94, 0, 0.4);
  box-shadow: 0 0 10px rgba(255, 94, 0, 0.25);
}

/* Columns 7 & 8: Vivid Golden Yellow / Lemon Backlit Pads */
.gb-pad:nth-child(8n+7),
.gb-pad:nth-child(8n+8) {
  background: radial-gradient(circle at 40% 40%, #544409 0%, #261f03 100%);
  border-color: rgba(255, 208, 0, 0.4);
  box-shadow: 0 0 10px rgba(255, 208, 0, 0.25);
}

/* Active Pressed / Sequencer Step Lit States */
.gb-pad.pad-active-step:nth-child(8n+1),
.gb-pad.pad-active-step:nth-child(8n+2) {
  background: radial-gradient(circle at 50% 50%, #f472b6 0%, #e8248c 100%) !important;
  border-color: #fff !important;
  box-shadow: 0 0 20px var(--gb-synth1-glow), inset 0 0 8px #fff !important;
}

.gb-pad.pad-active-step:nth-child(8n+3),
.gb-pad.pad-active-step:nth-child(8n+4) {
  background: radial-gradient(circle at 50% 50%, #67e8f9 0%, #00e5ff 100%) !important;
  border-color: #fff !important;
  box-shadow: 0 0 20px var(--gb-synth2-glow), inset 0 0 8px #fff !important;
}

.gb-pad.pad-active-step:nth-child(8n+5),
.gb-pad.pad-active-step:nth-child(8n+6) {
  background: radial-gradient(circle at 50% 50%, #fdba74 0%, #ff5e00 100%) !important;
  border-color: #fff !important;
  box-shadow: 0 0 20px var(--gb-drum1-glow), inset 0 0 8px #fff !important;
}

.gb-pad.pad-active-step:nth-child(8n+7),
.gb-pad.pad-active-step:nth-child(8n+8) {
  background: radial-gradient(circle at 50% 50%, #fef08a 0%, #ffd000 100%) !important;
  border-color: #fff !important;
  box-shadow: 0 0 20px var(--gb-drum3-glow), inset 0 0 8px #fff !important;
}

.gb-pad.pad-active-step .pad-label-primary {
  color: #000 !important;
  font-weight: 900 !important;
}

/* Playhead Scanning Indicator */
.gb-pad.pad-playhead-highlight {
  box-shadow: 0 0 25px #ffffff, inset 0 0 12px #ffffff !important;
  border-color: #ffffff !important;
  transform: scale(1.05);
  z-index: 3;
}

.gb-pad.pad-is-root {
  border: 2px solid #ffffff !important;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.6) !important;
}

.pad-label-primary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  color: #fff;
  pointer-events: none;
}

.pad-label-sub {
  font-size: 0.62rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  pointer-events: none;
}

/* ==========================================================================
   Modals & Form Controls
   ========================================================================== */
.gb-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.gb-modal-overlay.modal-visible {
  opacity: 1;
  pointer-events: auto;
}

.gb-modal-card {
  background: #141722;
  border: 1px solid #2b3347;
  border-radius: 18px;
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: 0 30px 60px -15px rgba(0,0,0,0.95);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #232b3d;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin: 0;
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 1.2rem;
}

.btn-close-modal:hover {
  color: #fff;
  background: #232b3d;
}

.form-group-item {
  margin-bottom: 1.25rem;
}

.form-group-item label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-control-select,
.form-control-input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  background: #090b10;
  border: 1px solid #262e42;
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  color: #fff;
  font-size: 0.9rem;
  box-sizing: border-box;
}

/* Responsive Breakpoints */
@media (max-width: 980px) {
  .macro-knobs-section {
    grid-template-columns: repeat(5, 1fr);
  }
  .performance-core-grid {
    grid-template-columns: 1fr;
  }
  .modes-sidebar, .transport-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .btn-circle-nov {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 640px) {
  .hardware-chassis {
    padding: 0.85rem;
    border-radius: 16px;
  }
  .macro-knobs-section {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.45rem;
  }
  .knob-rotary-body {
    width: 46px;
    height: 46px;
  }
  .knob-dial-cap {
    width: 34px;
    height: 34px;
  }
  .track-select-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .pad-grid {
    gap: 0.35rem;
  }
  .gb-pad {
    border-radius: 8px;
  }
  .pad-label-primary {
    font-size: 0.68rem;
  }
}