/* Pad Sampler — namespace .ps-* */

.ps-app {
  --ps-accent: var(--color-accent, #76b900);
  --ps-accent-soft: rgba(118, 185, 0, 0.14);
  --ps-surface: color-mix(in srgb, var(--color-bg-surface, #111) 90%, #000);
  --ps-border: color-mix(in srgb, var(--ps-accent) 25%, var(--color-border-default, #2a2a2a));
  width: 100%;
  padding: var(--space-4);
  border-radius: calc(var(--radius-md) + 4px);
  border: 1px solid var(--ps-border);
  background:
    radial-gradient(100% 80% at 100% 0%, var(--ps-accent-soft), transparent 55%),
    linear-gradient(165deg, var(--ps-surface), var(--color-bg-surface, #111));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  contain: layout style paint;
}

.ps-app-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ps-app[data-ps-layout="wide"] .ps-app-inner {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(240px, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.ps-app[data-ps-layout="wide"] .ps-grid-mount {
  grid-row: span 2;
}

.ps-app[data-ps-layout="wide"] .ps-status-mount,
.ps-app[data-ps-layout="wide"] .ps-transport-mount,
.ps-app[data-ps-layout="wide"] .ps-manual-mount,
.ps-app[data-ps-layout="wide"] .ps-seq-mount {
  grid-column: 1 / -1;
}

.ps-app[data-ps-layout="wide"] .ps-toolbar-section > summary {
  pointer-events: none;
  cursor: default;
  list-style: none;
}

.ps-app[data-ps-layout="wide"] .ps-toolbar-section > summary::-webkit-details-marker {
  display: none;
}

.ps-app[data-ps-power="economy"] .ps-pad--pressed {
  animation: none;
}

.ps-app[data-ps-power="economy"] .ps-pad--seq-active {
  box-shadow: none;
}

.ps-app[data-ps-recording="1"] {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 0 0 2px color-mix(in srgb, #e53935 35%, transparent);
}

.ps-app[data-ps-recording="1"] .ps-pad-grid-wrap {
  outline: 2px solid color-mix(in srgb, #e53935 25%, transparent);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

/* Status bar */
.ps-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--ps-border);
  background: rgba(0, 0, 0, 0.28);
}

.ps-status-leds {
  display: inline-flex;
  gap: var(--space-2);
}

.ps-led {
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ps-border);
  color: var(--color-text-muted);
  font-size: 0.65rem;
  opacity: 0.45;
}

.ps-led--on.ps-led--play {
  opacity: 1;
  color: var(--ps-accent);
  border-color: var(--ps-accent);
  background: var(--ps-accent-soft);
}

.ps-led--on.ps-led--rec {
  opacity: 1;
  color: #ff6b6b;
  border-color: #e53935;
  background: color-mix(in srgb, #e53935 18%, transparent);
}

.ps-led--on.ps-led--metro {
  opacity: 1;
  color: #ffc107;
  border-color: #ffc107;
}

.ps-led--pulse {
  animation: psRecPulse 1s ease-in-out infinite;
}

.ps-status-mode {
  flex: 1 1 12rem;
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.ps-app[data-ps-recording="1"] .ps-status-mode {
  color: #ff8a80;
}

.ps-status-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
  font-size: 11px;
}

.ps-status-meta div {
  display: inline-flex;
  gap: 0.35rem;
  align-items: baseline;
}

.ps-status-meta dt {
  margin: 0;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ps-status-meta dd {
  margin: 0;
  font-family: ui-monospace, 'Courier New', monospace;
  color: var(--color-text-secondary);
}

/* Transport */
.ps-transport {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.ps-seq-hint {
  margin: 0;
  font-size: 11px;
  opacity: 0.55;
}

.ps-seq-toggles {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ps-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  cursor: pointer;
}

.ps-seq-knobs {
  margin-bottom: var(--space-2);
}

.ps-bank-toggle {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 2px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ps-border);
  background: rgba(0, 0, 0, 0.25);
}

.ps-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ps-border);
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.ps-btn:hover {
  border-color: color-mix(in srgb, var(--ps-accent) 50%, var(--ps-border));
}

.ps-btn--active,
.ps-btn--play.ps-btn--active {
  border-color: var(--ps-accent);
  background: var(--ps-accent-soft);
}

.ps-btn--rec-on {
  border-color: #e53935;
  color: #ff6b6b;
  background: color-mix(in srgb, #e53935 12%, transparent);
}

.ps-rec-dot--blink {
  animation: psRecPulse 0.9s ease-in-out infinite;
}

.ps-btn--clear {
  font-size: var(--font-size-sm);
}

.ps-btn--bank {
  min-width: 2.25rem;
  justify-content: center;
  padding-inline: 0.65rem;
}

.ps-transport-bpm {
  min-width: 5.5rem;
}

/* Pad grid */
.ps-pad-grid-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
}

.ps-step-row-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ps-step-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.ps-step-row {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  overflow-x: auto;
}

.ps-step-row[data-steps="32"],
.ps-step-row[data-steps="64"] {
  grid-template-columns: repeat(32, minmax(6px, 1fr));
  min-width: 100%;
}

.ps-step-row[data-steps="64"] {
  grid-template-columns: repeat(64, minmax(4px, 1fr));
}

.ps-step {
  height: 8px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--ps-border) 80%, transparent);
  transition: background 0.08s;
}

.ps-step--filled {
  background: color-mix(in srgb, var(--ps-accent) 35%, var(--ps-border));
}

.ps-step--current {
  background: var(--ps-accent);
  box-shadow: 0 0 6px color-mix(in srgb, var(--ps-accent) 50%, transparent);
}

.ps-app[data-ps-recording="1"] .ps-step--current {
  background: #e53935;
  box-shadow: 0 0 8px color-mix(in srgb, #e53935 55%, transparent);
}

.ps-pad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  width: 100%;
}

.ps-pad {
  position: relative;
  aspect-ratio: 1;
  min-height: 4.5rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--ps-pad-color, var(--ps-accent)) 30%, var(--ps-border));
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), transparent 40%),
    color-mix(in srgb, var(--ps-pad-color, var(--ps-accent)) 8%, var(--ps-surface));
  color: inherit;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  transition: transform 0.08s ease-out, box-shadow 0.12s;
}

.ps-pad-label {
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.55;
  letter-spacing: 0.04em;
}

.ps-pad-name {
  font-size: 0.65rem;
  opacity: 0.75;
  text-transform: uppercase;
}

.ps-pad--pressed {
  transform: scale(0.96);
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--ps-pad-color) 50%, transparent),
    inset 0 0 24px color-mix(in srgb, var(--ps-pad-color) 35%, transparent);
}

.ps-pad--pattern {
  outline: 1px dashed color-mix(in srgb, var(--ps-accent) 60%, transparent);
}

.ps-pad--muted {
  opacity: 0.38;
  filter: grayscale(0.55);
}

.ps-pad--solo {
  outline: 2px solid #ffc107;
}

.ps-pad--custom {
  box-shadow: inset 0 0 0 2px color-mix(in srgb, #3498db 55%, transparent);
}

.ps-pad--pitch {
  background-image: linear-gradient(135deg, transparent 88%, color-mix(in srgb, var(--ps-accent) 40%, transparent) 88%);
}

.ps-pad-badge {
  position: absolute;
  top: 4px;
  right: 5px;
  font-size: 9px;
  font-weight: 800;
  color: #ffc107;
}

.ps-pad--muted .ps-pad-badge {
  color: #ff6b6b;
}

.ps-pad--seq-active {
  box-shadow: 0 0 12px color-mix(in srgb, var(--ps-accent) 45%, transparent);
}

.ps-app--kbd-active .ps-pad--pressed {
  box-shadow: 0 0 16px color-mix(in srgb, var(--ps-accent) 40%, transparent);
}

/* Toolbar */
.ps-toolbar-section {
  border: 1px solid var(--ps-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.2);
}

.ps-toolbar-title {
  font-weight: 600;
  cursor: pointer;
  margin-bottom: var(--space-2);
}

.ps-toolbar-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ps-select-wrap {
  display: grid;
  gap: 0.25rem;
}

.ps-select {
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ps-border);
  background: var(--color-bg-surface, #111);
  color: inherit;
}

.ps-knobs-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.ps-load-status {
  font-size: 0.85rem;
  opacity: 0.75;
  margin: 0;
}

.ps-kit-credit {
  font-size: 0.78rem;
  opacity: 0.55;
  margin: 0;
  line-height: 1.35;
}

.ps-pad-editor {
  border: 1px solid var(--ps-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.2);
}

.ps-pad-editor-title {
  font-weight: 600;
  cursor: pointer;
}

.ps-pad-editor-hint {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.55;
  margin-left: 0.5rem;
}

.ps-pad-editor-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.ps-pad-editor-head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: baseline;
  font-size: var(--font-size-sm);
}

.ps-pad-editor-flags {
  opacity: 0.65;
  font-size: 0.78rem;
}

.ps-pad-editor-knobs {
  display: flex;
  gap: var(--space-3);
}

.ps-pad-editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.ps-btn--file {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.ps-pad-editor-note {
  margin: 0;
  font-size: 0.78rem;
  opacity: 0.55;
  line-height: 1.4;
}

/* Manual */
.ps-manual {
  border: 1px solid var(--ps-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.18);
}

.ps-manual-title {
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.ps-manual-body {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.ps-manual-steps {
  margin: 0 0 var(--space-3);
  padding-left: 1.2rem;
}

.ps-manual-steps li {
  margin-bottom: 0.5rem;
}

.ps-manual-keys {
  margin: 0 0 var(--space-3);
  font-size: 12px;
}

.ps-manual-keys kbd,
.ps-manual-steps kbd {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  border: 1px solid var(--ps-border);
  background: rgba(255, 255, 255, 0.05);
  font-family: ui-monospace, 'Courier New', monospace;
  font-size: 11px;
}

.ps-manual-dot {
  display: inline-block;
  width: 12px;
  height: 6px;
  border-radius: 2px;
  vertical-align: middle;
}

.ps-manual-dot--filled {
  background: color-mix(in srgb, var(--ps-accent) 45%, var(--ps-border));
}

.ps-manual-dot--current {
  background: var(--ps-accent);
}

.ps-manual-more {
  font-size: 12px;
}

.ps-manual-more summary {
  cursor: pointer;
  color: var(--color-text-muted);
}

.ps-manual-more ul {
  margin: var(--space-2) 0 0;
  padding-left: 1.2rem;
}

@keyframes psRecPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ps-led--pulse,
  .ps-rec-dot--blink {
    animation: none;
  }
}

.ps-btn--load {
  align-self: flex-start;
}

.ps-start {
  margin-bottom: var(--space-3);
}

.ps-app:focus {
  outline: none;
}

.ps-app:focus-visible {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ps-accent) 45%, transparent);
}

/* Knob + btn (reuse euclidean classes inside pad sampler) */
.ps-app {
  --esq-accent: var(--ps-accent);
  --esq-accent-soft: var(--ps-accent-soft);
}

.ps-app .esq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 38px;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-default);
  background: color-mix(in srgb, var(--color-bg-page) 60%, transparent);
  color: var(--color-text-primary);
  font: inherit;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.ps-app .esq-btn:hover {
  border-color: var(--esq-accent);
  color: var(--esq-accent);
}

.ps-app .esq-btn--active {
  border-color: var(--esq-accent);
  background: var(--esq-accent-soft);
  color: var(--esq-accent);
}

.ps-app .esq-knob {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 56px;
}

.ps-app .esq-knob-dial {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border-default);
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-bg-page) 70%, transparent);
  cursor: ns-resize;
  touch-action: none;
}

.ps-app .esq-knob-dial:hover,
.ps-app .esq-knob-dial:focus-visible {
  border-color: var(--esq-accent);
  outline: none;
}

.ps-app .esq-knob-track {
  fill: none;
  stroke: color-mix(in srgb, var(--color-border-default) 90%, transparent);
  stroke-width: 2;
}

.ps-app .esq-knob-needle {
  stroke: var(--esq-accent);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.ps-app .esq-knob-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-align: center;
}

.ps-app .esq-knob-value {
  font-family: ui-monospace, 'Courier New', monospace;
  font-size: 10px;
  color: var(--color-text-secondary);
}

@media (max-width: 479px) {
  .ps-pad-grid {
    gap: var(--space-1);
  }

  .ps-pad {
    min-height: 3.5rem;
  }

  .ps-pad-name {
    display: none;
  }
}