/* ============================================================
   RACK4MASTER — Estilos completos (optimizado)
   ============================================================ */

/* --- Reset y variables --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:          #060608;
  --chassis:     #0c0c10;
  --surf:        #121218;
  --surf2:       #191920;
  --surf3:       #212128;
  --inset:       #08080c;
  --brd:         #202028;
  --brd2:        #30303c;
  --brd3:        #404050;
  --tx:          #ffffff;
  --tx2:         #c4bcbc;
  --tx3:         #8c858c;
  --amber:       #ff8c00;
  --green:       #22ff66;
  --red:         #ff2244;
  --fnt-display: 'Orbitron', monospace;
  --fnt-ui:      'Rajdhani', sans-serif;
  --fnt-mono:    'Share Tech Mono', monospace;
  --knob:        64px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--tx);
  font-family: var(--fnt-ui);
  overflow: hidden;
}

body {
  padding: 16px;
  border-radius: 20px;
}

/* --- Scrollbars --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--brd2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--brd3); }

button {
  cursor: pointer;
  font-family: var(--fnt-ui);
}

/* --- Header --- */
.app-header {
  height: 74px;
  background: var(--surf);
  border-bottom: 1px solid var(--brd);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  position: relative;
  z-index: 200;
  box-shadow: 0 2px 16px rgba(0,0,0,.7);
  flex-shrink: 0;
  border-radius: 4px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  user-select: none;
  flex-shrink: 0;
}
.logo-g {
  font-family: var(--fnt-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--amber);
  letter-spacing: 5px;
}
.logo-c {
  font-family: var(--fnt-display);
  font-size: 11px;
  letter-spacing: 7px;
  color: var(--tx3);
  margin-left: 2px;
}

.transport {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.transport-btns { display: flex; gap: 6px; }
.btn-tr {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 14px;
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx);
  border-radius: 4px;
  transition: all .12s;
}
.btn-tr:hover { background: var(--brd2); border-color: var(--brd3); color: #fff; }
.btn-tr:active { transform: scale(.96); }
.btn-tr:disabled { opacity: .28; pointer-events: none; }
.btn-play.is-playing { color: var(--green); border-color: color-mix(in srgb, var(--green) 50%, transparent); }
.btn-loop.is-loop { color: var(--amber); border-color: var(--amber); background: rgba(255,140,0,.1); }
.btn-loop svg { stroke: var(--tx3); transition: stroke 0.2s; }
.btn-loop.is-loop svg { stroke: var(--amber); }

.time-display {
  font-family: var(--fnt-mono);
  font-size: 16px;
  color: var(--tx2);
  padding: 0 8px;
  white-space: nowrap;
}
.time-cur { color: var(--amber); }
.time-sep { margin: 0 4px; color: var(--tx3); }
.track-info {
  font-size: 14px;
  color: var(--tx3);
  font-family: var(--fnt-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 280px;
}

.btn-preset {
  height: 38px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--brd2);
  color: var(--tx2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 4px;
  transition: all .15s;
}
.btn-preset:hover { background: var(--amber); border-color: var(--amber); color: #000; }

.btn-wav {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 14px;
  background: rgba(34,255,102,.1);
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border-radius: 4px;
  transition: all .15s;
}
.btn-wav:hover { background: var(--green); color: #000; box-shadow: 0 0 12px rgba(34,255,102,.4); }

/* --- App Body --- */
.app-body {
  display: flex;
  height: calc(100vh - 74px - 36px - 32px);
  overflow: hidden;
}
.workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 14px;
  gap: 14px;
  min-width: 0;
}
.sec-label {
  font-family: var(--fnt-display);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--tx3);
  margin-bottom: 7px;
}

/* --- Waveform --- */
.wf-section { flex-shrink: 0; }
.wf-wrap {
  height: 100px;
  background: var(--inset);
  border: 1px solid var(--brd);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.wf-wrap.drag-over { border-color: var(--amber); }
#wf-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: block;
  cursor: pointer;
}
.wf-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-family: var(--fnt-display);
  font-size: 12px;
  letter-spacing: 2.5px;
  color: var(--tx3);
  pointer-events: none;
  transition: opacity .3s;
}
.wf-icon { font-size: 24px; opacity: .3; }
.wf-empty.hidden { opacity: 0; }

/* --- Editor / Spectrum Section --- */
.editor-section {
  flex: 1;
  min-height: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(ellipse at 40% 40%, var(--surf3) 0%, var(--surf3) 15%, var(--chassis) 100%);
  border: 1px dashed var(--brd);
  border-radius: 6px;
  position: relative;
  transition: background 0.3s;
}
.editor-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--fnt-display);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--tx3);
  text-align: center;
  line-height: 1.6;
}
.editor-area {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  z-index: 2;
}

/* Pestañas Editor / Spectrum */
.editor-tabs {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 8px;
  z-index: 5;
}
.editor-tab {
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx2);
  font-family: var(--fnt-display);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.editor-tab.active {
  background: var(--amber);
  border-color: var(--amber);
  color: #000;
  box-shadow: 0 0 8px rgba(255,140,0,0.4);
}
.editor-tab:hover:not(.active) { background: var(--surf3); }

.spectrum-area {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: #0a0a0e;
  z-index: 2;
}
.spectrum-area canvas {
  flex: 1;
  width: 100%;
  background: #0a0a0e;
}

.btn-analyze {
  background: var(--surf2);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--fnt-display);
  font-size: 10px;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-analyze:hover { background: var(--amber); color: #000; }
.btn-analyze:disabled { opacity: 0.5; pointer-events: none; }

/* --- Chain Section --- */
.chain-section {
  flex-shrink: 0;
  height: 200px;
  display: flex;
  flex-direction: column;
}
.chain-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 8px;
}
.chain-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.chain-topbar-sep {
  width: 1px;
  height: 20px;
  background: var(--brd2);
  margin: 0 2px;
}
.chain-topbar > div:last-child {
  margin-left: 0;
}

.btn-clear {
  height: 30px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--brd);
  color: var(--tx3);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border-radius: 2px;
  cursor: pointer;
  transition: all .15s;
}
.btn-clear:hover { border-color: var(--red); color: var(--red); }

.chain-scroll {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--chassis);
  border: 1px solid var(--brd);
  border-radius: 6px;
}
.chain-wrapper {
  display: flex;
  align-items: center;
  padding: 16px 24px;
  margin: 0 auto;
  height: 100%;
  min-width: 100%;
  width: max-content;
  position: relative;
}
.flow-cap {
  font-family: var(--fnt-display);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--tx3);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.6;
  white-space: nowrap;
  user-select: none;
}
.flow-arrow {
  font-family: var(--fnt-mono);
  color: var(--amber);
  opacity: 0.8;
  font-size: 16px;
}
.chain-area.horizontal {
  position: relative;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 28px;
  height: 100%;
  min-height: 110px;
  flex: 1;
  margin: 0 20px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
  padding: 8px 0;
}
.chain-area.horizontal.drag-over {
  background-color: #0c0c0e;
  box-shadow: inset 0 0 0 2px rgba(255, 140, 0, 0.4);
}
.chain-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fnt-display);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--tx2);
  opacity: 0.7;
  pointer-events: none;
  white-space: nowrap;
}
.chain-placeholder.hidden { display: none; }

/* --- Thumbnails --- */
.mod-thumb {
  width: 200px;
  height: 130px;
  background: radial-gradient(circle at 25% 40%, #2c2c34, #121218) !important;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 2px, transparent 2px, transparent 8px) !important;
  background-size: 8px 8px;
  background-repeat: no-repeat;
  border: 1px solid #3a3a44;
  border-radius: 6px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.6), inset 0 1px 1px rgba(255,255,255,0.05);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}
.mod-thumb:hover { border-color: var(--tx3); }
.mod-thumb.active {
  border-color: var(--mc);
  box-shadow: 0 0 16px color-mix(in srgb, var(--mc) 35%, transparent);
  transform: translateY(-3px);
}
.mod-thumb.bypassed { background: #0c0c10; border-color: var(--brd); opacity: 0.7; }
.mod-thumb.global-bypassed,
.mod-card.global-bypassed {
  opacity: 0.55 !important;
  filter: saturate(0.3) brightness(0.7) !important;
}
.mod-thumb .power-led {
  position: absolute;
  top: 8px; right: 10px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #22ff66;
  box-shadow: 0 0 6px #22ff66;
  z-index: 10;
  transition: all 0.2s;
}
.mod-thumb.bypassed .power-led { background: #ff3366; box-shadow: 0 0 6px #ff3366; }
.mod-thumb .drag-handle {
  position: absolute;
  top: 4px; left: 6px;
  font-size: 16px;
  opacity: 0.8;
  cursor: grab;
}
.thumb-title {
  font-family: var(--fnt-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--tx);
  padding-left: 28px;
  margin-top: 6px;
  margin-bottom: 2px;
  text-align: left;
}
.thumb-params {
  font-size: 9px;
  color: var(--tx3);
  margin-top: 6px;
  margin-left: 28px;
  font-family: var(--fnt-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
  text-align: left;
}
.thumb-simulated-buttons {
  position: absolute;
  top: calc(50% + 4px);
  left: 0; right: 0;
  transform: translateY(-50%);
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 0;
  pointer-events: none;
}
.thumb-simulated-buttons .sim-btn {
  width: 25px; height: 25px;
  background: linear-gradient(145deg, #2a2a38, #14141e);
  border: 1px solid black;
  border-radius: 50%;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.1), 0 1px 2px rgba(0,0,0,0.4);
  position: relative;
}
.thumb-simulated-buttons .sim-btn::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40%;
  background: #2853A8;
  border-radius: 1px;
}
.thumb-controls {
  display: flex;
  gap: 12px;
  width: 100%;
  justify-content: center;
  position: absolute;
  bottom: 4px;
  left: 0; right: 0;
}
.thumb-btn {
  background: var(--surf2);
  border: 1px solid var(--brd);
  color: var(--tx3);
  font-size: 11px;
  font-weight: bold;
  border-radius: 4px;
  padding: 4px 12px;
  transition: 0.15s;
}
.thumb-btn:hover { color: var(--tx); border-color: var(--tx3); }
.thumb-btn.byp-btn.bypassed {
  color: #ff3366 !important;
  border-color: #ff3366 !important;
  background: rgba(255, 51, 102, 0.15) !important;
  box-shadow: 0 0 8px rgba(255, 51, 102, 0.2) !important;
}
.thumb-btn.rm-btn:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* --- Module Cards --- */
.mod-card {
  width: auto;
  max-width: 90%;
  background: radial-gradient(circle at 30% 40%, var(--surf2), var(--surf));
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 2px, transparent 2px, transparent 8px);
  background-repeat: no-repeat;
  border: 1px solid #3a3a44;
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.9), 0 0 0 1px var(--brd3);
  position: relative;
  animation: fadeIn .2s ease;
  flex-shrink: 0;
  display: none;
  flex-direction: column;
}
.mod-card.bypassed { opacity: 1 !important; filter: none !important; }
.mod-card.bypassed .mod-body,
.mod-card.bypassed .mod-strip,
.mod-card.bypassed .mod-title,
.mod-card.bypassed .mod-led {
  opacity: 0.55 !important;
  filter: saturate(0.3) brightness(0.7) !important;
}
.mod-strip { height: 3px; background: var(--mc, var(--amber)); }
.mod-hd {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surf2);
  border-bottom: 1px solid var(--brd);
}
.mod-led {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
  transition: all .2s;
}
.mod-led.off { background: #ff0000; box-shadow: 0 0 10px #ff0000, 0 0 15px rgba(255, 0, 0, 0.9); }
.mod-led:not(.off) { animation: pulse-led 2.4s ease-in-out infinite; }
.mod-title {
  font-family: var(--fnt-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--tx);
  flex: 1;
}
.btn-byp {
  height: 26px;
  padding: 0 12px;
  background: var(--surf2);
  border: 1px solid var(--brd);
  color: var(--tx2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 3px;
  transition: all .12s;
  cursor: pointer;
}
.btn-byp:hover { color: var(--green); border-color: var(--green); }
.btn-byp.bypassed {
  color: #ff3366 !important;
  border-color: #ff3366 !important;
  background: rgba(255, 51, 102, 0.15) !important;
  box-shadow: 0 0 8px rgba(255, 51, 102, 0.2) !important;
}
.mod-body {
  padding: 20px 24px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* --- Knobs y toggles --- */
.band-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--surf2);
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--brd);
}
.band-sep {
  font-family: var(--fnt-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--mc);
  text-align: center;
  border-bottom: 1px solid var(--brd);
  padding-bottom: 6px;
  width: 100%;
  margin-bottom: 4px;
}
.knob-row { display: flex; gap: 16px; justify-content: center; }
.knob-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 70px;
}
.knob {
  width: var(--knob);
  height: var(--knob);
  border-radius: 50%;
  background: radial-gradient(circle at 36% 28%, #4c4c58 0%, #1c1c24 60%);
  box-shadow: 0 4px 14px rgba(0,0,0,.85), 0 1px 4px rgba(0,0,0,.9), inset 0 1px 2px rgba(255,255,255,.09), inset 0 -1px 2px rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.055);
  position: relative;
  cursor: ns-resize;
  user-select: none;
  transition: box-shadow .15s;
}
.knob::before {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #383840, #12121a);
  border: 1px solid rgba(0,0,0,.6);
  box-shadow: inset 0 1px 3px rgba(0,0,0,.5);
}
.knob-ind {
  position: absolute;
  width: 3px;
  height: 42%;
  background: var(--mc, var(--amber));
  box-shadow: 0 0 8px var(--mc, var(--amber));
  left: calc(50% - 1.5px);
  bottom: 50%;
  transform-origin: 50% 100%;
  border-radius: 3px 3px 0 0;
  z-index: 2;
  pointer-events: none;
}
.knob-arc {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: rgba(255,255,255,.05);
  border-right-color: rgba(255,255,255,.05);
  pointer-events: none;
}
.knob-val {
  font-family: var(--fnt-mono);
  font-size: 14px;
  color: var(--mc, var(--amber));
  text-align: center;
}
.knob-lbl {
  font-family: var(--fnt-display);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--tx2);
  text-align: center;
}
.tog-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 60px;
}
.tog {
  width: 46px; height: 22px;
  background: var(--inset);
  border: 1px solid var(--brd2);
  border-radius: 11px;
  position: relative;
  cursor: pointer;
  transition: 0.18s;
}
.tog.on { background: var(--mc); border-color: var(--mc); }
.tog::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: 0.18s;
}
.tog.on::after { transform: translateX(24px); }
.tog-lbl {
  font-family: var(--fnt-display);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--tx2);
}
.tog-val {
  font-family: var(--fnt-mono);
  font-size: 12px;
  color: var(--tx3);
}
.tog.on ~ .tog-val { color: var(--mc); }

/* --- Sidebar --- */
.sidebar {
  width: 300px;
  flex-shrink: 0;
  background: var(--surf);
  border-left: 1px solid var(--brd);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar-top {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar-hd {
  padding: 13px 16px 11px;
  border-bottom: 1px solid var(--brd);
  display: flex;
  justify-content: space-between;
}
.sidebar-title {
  font-family: var(--fnt-display);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--tx3);
}
.sidebar-hint { font-size: 11px; color: var(--tx3); font-family: var(--fnt-mono); }
.cat-bar { display: flex; gap: 8px; align-items: center; padding: 7px 10px; border-bottom: 1px solid var(--brd); }
.cat-select {
  flex: 1;
  height: 30px;
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx);
  font-family: var(--fnt-display);
  font-size: 10px;
  border-radius: 3px;
  padding: 0 8px;
  cursor: pointer;
  outline: none;
  width: auto;
}
#sort-modules-btn { padding: 0 8px; height: 30px; font-size: 11px; white-space: nowrap; }
.sidebar-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.slot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  background: var(--surf2);
  border: 1px solid var(--brd);
  border-radius: 4px;
  cursor: grab;
  position: relative;
  overflow: hidden;
  transition: 0.15s;
}
.slot.cat-hidden { display: none; }
.slot::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--lc);
  opacity: .7;
}
.slot-led {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--lc);
  box-shadow: 0 0 7px var(--lc);
  flex-shrink: 0;
}
.slot-info { flex: 1; min-width: 0; }
.slot-name {
  font-family: var(--fnt-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--tx);
}
.slot-params {
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--tx3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.slot-btn {
  width: 28px; height: 28px;
  background: transparent;
  border: 1px solid var(--brd2);
  color: var(--tx3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slot-info-btn {
  background: transparent !important;
  border: none !important;
  color: var(--tx3);
  font-size: 14px;
  cursor: pointer;
  width: 14px !important;
  height: 14px !important;
  padding: 0; margin: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}
.slot-info-btn:hover { color: var(--amber); background: rgba(255, 255, 255, 0.1); }
.sidebar-foot {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--brd);
  font-size: 11px;
  color: var(--tx3);
  font-family: var(--fnt-mono);
  line-height: 1.8;
}
.sidebar-bot {
  height: 170px;
  border-top: 2px solid var(--brd2);
  background: var(--chassis);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.meter-hd { display: flex; align-items: center; justify-content: space-between; }
.meter-title { font-family: var(--fnt-display); font-size: 9px; letter-spacing: 3px; color: var(--tx3); }
.btn-rst {
  height: 20px; padding: 0 8px;
  background: transparent;
  border: 1px solid var(--brd2);
  color: var(--tx3);
  font-size: 9px; font-weight: 700;
  border-radius: 2px;
}
.meter-body { display: flex; align-items: center; gap: 10px; }
.meter-channels { flex: 1; display: flex; flex-direction: column; gap: 7px; }
.meter-ch { display: flex; align-items: center; gap: 6px; }
.meter-lbl { font-family: var(--fnt-mono); font-size: 10px; color: var(--tx3); width: 10px; }
.meter-bar-track {
  flex: 1; height: 14px;
  background: #0c0c10;
  border: 1px solid var(--brd);
  border-radius: 2px;
  overflow: hidden;
}
.meter-bar-fill { height: 100%; width: 100%; background: transparent; position: relative; overflow: hidden; }
.meter-db { font-family: var(--fnt-mono); font-size: 10px; color: var(--tx3); width: 38px; text-align: right; }
.out-gain-col { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.out-knob { --knob: 44px; }
.meter-stats { display: flex; gap: 10px; align-items: center; border-top: 1px solid var(--brd); padding-top: 6px; }
.meter-stat { display: flex; gap: 5px; align-items: center; }
.ms-lbl { font-family: var(--fnt-display); font-size: 8px; color: var(--tx3); }
.ms-val { font-family: var(--fnt-mono); font-size: 12px; color: var(--amber); min-width: 54px; }
.ms-val.clip { color: var(--red); }

/* --- Sortable --- */
.sortable-ghost { opacity: .2; }
.sortable-chosen { box-shadow: 0 0 12px var(--amber) !important; }
.sortable-drag { opacity: .9; transform: scale(1.05); }

/* --- Footer --- */
.app-footer {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--bg);
  border-top: 1px solid var(--brd);
  font-family: var(--fnt-ui);
  font-size: 11px;
  z-index: 100;
}
.copyright-text { color: var(--tx3); }
.foot-sep { color: var(--tx3); opacity: 0.5; }
.foot-link {
  color: var(--tx2);
  text-decoration: none;
  transition: color 0.15s;
  font-weight: 600;
}
.foot-link:hover { color: var(--amber); }

/* --- Modales --- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; opacity: 1; transition: opacity 0.2s;
}
.modal-overlay.hidden { opacity: 0; pointer-events: none; }
.modal-window {
  background: var(--surf); border: 1px solid var(--brd2);
  border-radius: 6px; width: 440px; max-width: 90%;
  box-shadow: 0 16px 40px rgba(0,0,0,0.8);
  transform: translateY(0); transition: transform 0.2s;
  display: flex; flex-direction: column;
}
.modal-overlay.hidden .modal-window { transform: translateY(15px); }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; border-bottom: 1px solid var(--brd);
  background: var(--surf2); border-radius: 6px 6px 0 0;
}
.modal-title { font-family: var(--fnt-display); font-size: 13px; letter-spacing: 2px; color: var(--amber); font-weight: bold; }
.modal-close { background: transparent; border: none; color: var(--tx3); font-size: 14px; transition: color 0.15s; }
.modal-close:hover { color: var(--red); }
.modal-body { padding: 24px 18px; font-family: var(--fnt-ui); font-size: 14px; color: var(--tx2); line-height: 1.6; min-height: 120px; }

/* --- Menú desplegable --- */
.dropdown-menu {
  position: absolute; top: 100%; right: 0; margin-top: 8px;
  background: var(--surf); border: 1px solid var(--brd2);
  border-radius: 4px; box-shadow: 0 8px 24px rgba(0,0,0,0.8);
  min-width: 160px; z-index: 1000; overflow: hidden;
  display: flex; flex-direction: column;
}
.dropdown-menu.hidden { display: none; }
.dropdown-item {
  padding: 10px 16px;
  font-family: var(--fnt-ui); font-size: 13px; font-weight: 600;
  color: var(--tx); cursor: pointer;
  transition: background 0.15s;
}
.dropdown-item:hover { background: var(--surf2); color: var(--amber); }

/* --- Grupo A/B --- */
.chain-ab-group { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.btn-ab {
  width: 28px; height: 28px; padding: 0;
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx2);
  font-family: var(--fnt-display);
  font-size: 11px; font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
}
.btn-ab.active { background: var(--amber); border-color: var(--amber); color: #000; box-shadow: 0 0 8px rgba(255,140,0,0.4); }
.btn-ab:hover:not(.active) { background: var(--surf3); border-color: var(--brd3); }
.btn-ab-capture {
  width: 28px; height: 28px; padding: 0;
  background: transparent;
  border: 1px solid var(--brd);
  color: var(--tx3);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
}
.btn-ab-capture:hover { background: var(--surf2); color: var(--tx); border-color: var(--brd2); }

/* --- Estado global deshabilitado (sin audio) --- */
body.controls-disabled .slot-btn,
body.controls-disabled .mod-thumb,
body.controls-disabled .btn-preset,
body.controls-disabled .btn-wav,
body.controls-disabled #btn-global-bypass,
body.controls-disabled #out-gain-knob,
body.controls-disabled .cat-select.instrument-preset,
body.controls-disabled .btn-clear,
body.controls-disabled .btn-rst#btn-peak-rst,
body.controls-disabled .transport-btns .btn-tr,
body.controls-disabled .sidebar-list .slot,
body.controls-disabled .btn-ab,
body.controls-disabled .btn-ab-capture,
body.controls-disabled .editor-tab,
body.controls-disabled .btn-analyze,
body.controls-disabled .btn-toggle-spectrum,
body.controls-disabled #cat-select,
body.controls-disabled #sort-modules-btn {
  opacity: 0.5 !important;
  filter: grayscale(0.3);
  pointer-events: none !important;
  cursor: not-allowed !important;
}

/* Excepciones (siempre activas) */
body.controls-disabled .wf-wrap,
body.controls-disabled .app-footer,
body.controls-disabled #btn-menu,
body.controls-disabled #dropdown-menu,
body.controls-disabled .cat-select:not(.instrument-preset),
body.controls-disabled #sort-modules-btn,
body.controls-disabled .slot-info-btn {
  opacity: 1 !important;
  filter: none !important;
  pointer-events: auto !important;
  cursor: default !important;
}

body.controls-disabled #out-gain-knob { pointer-events: none !important; opacity: 0.5 !important; }
body.controls-disabled .wf-wrap {
  border-color: var(--amber);
  animation: softPulse 1.5s ease-in-out infinite;
}
body.controls-disabled .wf-empty span[data-i18n="ui.drop_audio"] {
  color: var(--amber);
  text-shadow: 0 0 4px rgba(255, 179, 0, 0.5);
}

body.controls-disabled button:hover {
  background: inherit !important;
  color: inherit !important;
  border-color: inherit !important;
  box-shadow: none !important;
}

/* --- Tema claro --- */
body.light-theme {
  --bg: #e0e0e6;
  --chassis: #d4d4dc;
  --surf: #ffffff;
  --surf2: #f4f4f8;
  --surf3: #ebebf0;
  --inset: #c8c8d0;
  --brd: #bcbcc6;
  --brd2: #a4a4b0;
  --brd3: #8a8a95;
  --tx: #1a1a20;
  --tx2: #4a4a55;
  --tx3: #6a6a75;
}
body.light-theme .mod-card,
body.light-theme .mod-thumb {
  background: radial-gradient(circle at 25% 40%, #e0e0e6, #c8c8d0);
  background-image: repeating-linear-gradient(45deg, rgba(0,0,0,0.03) 0px, rgba(0,0,0,0.03) 2px, transparent 2px, transparent 8px);
}

/* --- Varios --- */
.instrument-preset {
  min-width: 180px;
  font-family: 'Rajdhani', 'Arial', sans-serif;
  font-size: 13px;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.mod-card .mod-body.multiband-layout .band-row { flex-wrap: wrap; justify-content: center; }
.mod-card .mod-body.multiband-layout .band-row .knob-wrap { width: 55px; }
.mod-card .mod-body.multiband-layout .band-row .knob {
  --knob: 44px;
  width: var(--knob); height: var(--knob);
}
.mod-card .mod-body.multiband-layout .band-row .knob-lbl { font-size: 8px; }
.mod-card .mod-body.multiband-layout .band-row .knob-val { font-size: 10px; }

/* --- Animaciones --- */
@keyframes fadeIn {
  from { opacity:0; transform:translateY(6px); }
  to { opacity:1; transform:translateY(0); }
}
@keyframes pulse-led {
  0%,100% { opacity:1; }
  50% { opacity:.5; }
}
@keyframes softPulse {
  0% { border-color: var(--amber); box-shadow: 0 0 0 rgba(255,179,0,0); }
  50% { border-color: #ffcc44; box-shadow: 0 0 8px rgba(255,179,0,0.6); }
  100% { border-color: var(--amber); box-shadow: 0 0 0 rgba(255,179,0,0); }
}

/* --- Módulo deshabilitado (bypass) --- */
.module-disabled .knob-wrap,
.module-disabled .tog-wrap,
.module-disabled .btn-reset,
.module-disabled .btn-info { opacity: 0.6; cursor: not-allowed !important; pointer-events: none; }
.module-disabled .mod-preset-select { opacity: 0.6; cursor: not-allowed; pointer-events: none; }
.module-disabled .btn-byp { opacity: 0.6; }
.module-disabled.global-bypassed .btn-byp { pointer-events: none; }
.module-disabled .thumb-btn.byp-btn { opacity: 0.6; }
.module-disabled.global-bypassed .thumb-btn.byp-btn { pointer-events: none; }

/* --- roundRect polyfill (por si acaso) --- */
@supports not (paint-order: normal) {
  /* ya se maneja en JS */
}

/* ============================================================
   PANEL DE ESPECTRO DESPLEGABLE (mejorado)
   ============================================================ */

/* Ocultar cualquier pestaña residual */
.editor-tabs { display: none; }

/* Botón toggle */
.btn-toggle-spectrum {
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx2);
  font-family: var(--fnt-display);
  font-size: 10px;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  height: 26px;
}
.btn-toggle-spectrum.active {
  background: var(--amber);
  border-color: var(--amber);
  color: #000;
  box-shadow: 0 0 8px rgba(255,140,0,0.4);
}
.btn-toggle-spectrum:hover:not(.active) {
  background: var(--surf3);
  border-color: var(--brd3);
}

/* Botón de modo barra/línea */
.btn-spectrum-mode {
  width: 26px; height: 26px;
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx2);
  border-radius: 4px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  padding: 0;
}
.btn-spectrum-mode:hover { background: var(--surf3); }
.btn-spectrum-mode.active { color: var(--amber); border-color: var(--amber); }

/* Panel del espectro (ahora con altura automática, sin solapar) */
.spectrum-panel {
  display: flex;
  flex-direction: row;
  height: 200px;
  min-height: 200px;
  background: var(--chassis);
  border: 1px solid var(--brd);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-bottom: 8px;
  flex-shrink: 0;
}
.spectrum-panel.hidden {
  display: none;
}

/* Canvas del espectro (70% del ancho) */
.spectrum-main {
  flex: 7;
  display: flex;
  flex-direction: column;
  background: #0a0a0e;
  position: relative;
  min-width: 0;
}
.spectrum-main canvas {
  flex: 1;
  width: 100%;
  background: #0a0a0e;
}

/* Botón de análisis */
.btn-analyze {
  background: var(--surf2);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--fnt-display);
  font-size: 10px;
  letter-spacing: 1.5px;
  padding: 4px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-analyze:hover { background: var(--amber); color: #000; }
.btn-analyze:disabled { opacity: 0.5; pointer-events: none; }

/* Panel de resultados (30% del ancho) */
.spectrum-results {
  flex: 3;
  display: flex;
  flex-direction: column;
  background: var(--surf2);
  border-left: 1px solid var(--brd);
  padding: 10px;
  min-width: 200px;
  overflow-y: auto;
}
.spectrum-results-title {
  font-family: var(--fnt-display);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--amber);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--brd);
}
.spectrum-results-list {
  flex: 1;
  font-family: var(--fnt-ui);
  font-size: 12px;
  color: var(--tx2);
  line-height: 1.5;
  overflow-y: auto;
}
.spectrum-results-empty {
  color: var(--tx3);
  font-style: italic;
  text-align: center;
  padding: 20px 0;
}
.spectrum-result-item {
  padding: 4px 0;
  border-bottom: 1px dashed var(--brd);
  color: var(--tx2);
}
.spectrum-result-item:last-child { border-bottom: none; }

/* Botón de modo dentro del panel */
.btn-spectrum-mode-panel {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px; height: 26px;
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx2);
  border-radius: 4px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  z-index: 5;
  padding: 0;
}
.btn-spectrum-mode-panel:hover { background: var(--surf3); }
.btn-spectrum-mode-panel.active { color: var(--amber); border-color: var(--amber); }

/* Botón de aplicar recomendaciones */
.btn-apply-recommendations {
  background: var(--amber);
  border: 1px solid var(--amber);
  color: #000;
  font-family: var(--fnt-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 8px;
  width: 100%;
}
.btn-apply-recommendations:hover { background: #ffaa00; border-color: #ffaa00; }
.btn-apply-recommendations.hidden { display: none; }

/* Editor: asegurar que no se monte encima del panel */
.editor-section {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: radial-gradient(ellipse at 40% 40%, var(--surf3) 0%, var(--surf3) 15%, var(--chassis) 100%);
  border: 1px dashed var(--brd);
  border-radius: 6px;
  position: relative;
  padding: 10px;
}
.editor-area {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 100px;
}
.mod-card {
  margin: 10px;
}

/* Botón copiar resultados */
.btn-copy-results {
  background: transparent;
  border: 1px solid var(--brd2);
  color: var(--tx3);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-copy-results:hover {
  background: var(--surf2);
  color: var(--tx);
  border-color: var(--brd3);
}
.btn-copy-results.hidden {
  display: none;
}

/* Aseguramos que el título no tenga margen inferior extra */
.spectrum-results-title {
  margin-bottom: 8px;
}

/* Botón Solo */
.thumb-btn.solo-btn {
  background: var(--surf2);
  border: 1px solid var(--brd);
  color: var(--tx3);
  font-size: 11px;
  font-weight: bold;
  border-radius: 4px;
  padding: 4px 10px;
  transition: 0.15s;
}
.thumb-btn.solo-btn.active {
  background: var(--amber);
  color: #000;
  border-color: var(--amber);
}
.thumb-btn.solo-btn:hover {
  color: var(--tx);
  border-color: var(--tx3);
}

/* Botón Solo en la tarjeta del módulo */
.btn-solo {
  height: 26px;
  padding: 0 8px;
  background: var(--surf2);
  border: 1px solid var(--brd);
  color: var(--tx2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .12s;
  min-width: 26px;
}
.btn-solo.active {
  background: var(--amber);
  color: #000;
  border-color: var(--amber);
  box-shadow: 0 0 8px rgba(255,140,0,0.4);
}
.btn-solo:hover {
  color: var(--tx);
  border-color: var(--tx3);
}


/* ============================================================
   ASAS DECORATIVAS EN NÍQUEL (miniaturas y módulos)
   ============================================================ */
.mod-thumb::before, .mod-thumb::after {
  content: '';
  position: absolute;
  top: 12px;
  bottom: 12px;
  width: 8px;
  background: linear-gradient(145deg, #6a6a7a, #3a3a48, #4a4a58, #2a2a38);
  border-left: 1px solid rgba(255,255,255,0.2);
  border-right: 1px solid rgba(0,0,0,0.4);
  border-radius: 3px;
  z-index: 0;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.3), inset 0 -1px 1px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.4);
}
.mod-thumb::before {
  left: -6px;
  border-radius: 4px 0 0 4px;
}
.mod-thumb::after {
  right: -6px;
  border-radius: 0 4px 4px 0;
}

.mod-card::before, .mod-card::after {
  content: '';
  position: absolute;
  top: 18px;
  bottom: 18px;
  width: 8px;
  background: linear-gradient(145deg, #6a6a7a, #3a3a48, #4a4a58, #2a2a38);
  border-left: 1px solid rgba(255,255,255,0.2);
  border-right: 1px solid rgba(0,0,0,0.4);
  border-radius: 3px;
  z-index: 0;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.3), inset 0 -1px 1px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.4);
}
.mod-card::before {
  left: -6px;
  border-radius: 4px 0 0 4px;
}
.mod-card::after {
  right: -6px;
  border-radius: 0 4px 4px 0;
}

/* Canvas del LFO en Chorus */
.chorus-lfo-canvas {
  display: block;
  width: 220px;
  height: 50px;
  border-radius: 3px;
}

/* Canvas de la curva del compresor */
.comp-curve-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas del indicador de anchura (Widener) */
.widener-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas del filtro y limitador */
.filter-canvas,
.limiter-curve-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas del Flanger y Delay */
.flanger-lfo-canvas,
.delay-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas de los nuevos módulos */
.reverb-canvas,
.saturator-curve-canvas,
.exciter-curve-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas de Tremolo y Mid/Side */
.tremolo-lfo-canvas,
.midside-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas del Soft Clipper */
.softclipper-curve-canvas {
  display: block;
  border-radius: 4px;
}

/* Canvas del ecualizador */
.eq-canvas {
  display: block;
  border-radius: 4px;
}

/* ------------------------------------------------------------
   TOGGLES DE COLAPSAR PANELES (WAVEFORM / SIDEBAR)
   ------------------------------------------------------------ */
.btn-toggle-panel {
  width: 28px;
  height: 28px;
  padding: 0;
  background: var(--surf2);
  border: 1px solid var(--brd2);
  color: var(--tx2);
  font-family: var(--fnt-display);
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-toggle-panel:hover {
  background: var(--surf3);
  border-color: var(--brd3);
}
.btn-toggle-panel.active {
  color: var(--amber);
  border-color: var(--amber);
}

/* Waveform colapsado */
.wf-section.collapsed .wf-wrap {
  display: none;
}
.wf-section.collapsed {
  margin-bottom: 0;
}

/* Sidebar colapsado */
.sidebar.collapsed {
  display: none;
}

/* Toggle de paneles */
.btn-toggle-panel {
  width: 28px; height: 28px; padding: 0;
  background: var(--surf2); border: 1px solid var(--brd2); color: var(--tx2);
  font-family: var(--fnt-display); font-size: 12px; font-weight: 700;
  border-radius: 4px; cursor: pointer; transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
}
.btn-toggle-panel:hover { background: var(--surf3); border-color: var(--brd3); }
.btn-toggle-panel.active { color: var(--amber); border-color: var(--amber); }

/* Colapsar secciones */
.wf-section.collapsed .wf-wrap { display: none; }
.wf-section.collapsed { margin-bottom: 0; }
.sidebar.collapsed { display: none; }

.chain-section.collapsed .chain-scroll {
  display: none;
}
.chain-section.collapsed {
  height: auto;
  flex-shrink: 0;
}
.chain-section.collapsed .chain-topbar {
  margin-bottom: 0;
}

/* Desactivar toggles en estado global */
body.controls-disabled .btn-toggle-panel {
  opacity: 0.5 !important;
  filter: grayscale(0.3);
  pointer-events: none !important;
  cursor: not-allowed !important;
}

/* Ocultar el botón del espectro cuando la forma de onda está colapsada */
.wf-section.collapsed #btn-toggle-spectrum {
  display: none !important;
}