/**
 * AA chrome — topbar, buttons, chips, panel, stage, knob, fader.
 * Import after tokens.css.
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html.aa,
.aa {
  background: var(--aa-bg);
  color: var(--aa-text);
}

body {
  margin: 0;
  background: var(--aa-bg);
  color: var(--aa-text);
  font-family: var(--aa-ui);
}

.aa-app,
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--aa-pad);
  gap: 12px;
}

/* ── topbar ── */
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--aa-border);
}

.topbar h1,
.aa-title {
  margin: 0;
  font-family: var(--aa-serif);
  font-size: var(--aa-title-size);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.3px;
}

[data-aa-variant="tool"] .topbar h1,
[data-aa-variant="tool"] .aa-title {
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
}

.file-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filename {
  color: var(--aa-muted);
  font-size: var(--aa-value-size);
  letter-spacing: 0.05em;
}

/* ── buttons ── */
.btn,
.button {
  font-family: var(--aa-ui);
  background: transparent;
  color: var(--aa-muted);
  border: 0.5px solid var(--aa-border-2);
  border-radius: var(--aa-radius-btn);
  padding: 7px 12px;
  font-size: var(--aa-button-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  transition: color 0.13s, border-color 0.13s, background 0.13s;
}

.btn:hover:not(:disabled),
.button:hover:not(:disabled) {
  color: var(--aa-text);
  border-color: var(--aa-accent);
}

.btn:disabled,
.button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn.on,
.btn--on,
.button--on {
  background: var(--aa-fill);
  color: var(--aa-text);
  border-color: var(--aa-accent);
}

.btn.recording,
.btn--recording,
.button--recording {
  background: var(--aa-danger-soft);
  border-color: color-mix(in srgb, var(--aa-danger) 45%, transparent);
  color: var(--aa-danger-text);
  animation: aa-pulse 1s ease-in-out infinite;
}

@keyframes aa-pulse {
  50% {
    opacity: 0.6;
  }
}

select.btn,
select.button {
  appearance: none;
  padding-right: 22px;
  background: var(--aa-bg-2);
}

/* ── mode chips ── */
.mode-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  padding-top: 12px;
  border-top: 0.5px solid var(--aa-border);
}

.gran-group,
.aa-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gran-group-label,
.aa-group-label {
  font-size: var(--aa-label-size);
  letter-spacing: 0.08em;
  color: var(--aa-muted);
  text-transform: uppercase;
}

.mb-row {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
}

.mb {
  font-family: var(--aa-ui);
  font-size: var(--aa-value-size);
  padding: 4px 9px;
  border-radius: var(--aa-radius-chip);
  border: 0.5px solid var(--aa-border-2);
  background: transparent;
  color: var(--aa-muted);
  cursor: pointer;
  transition: color 0.1s, border-color 0.1s, background 0.1s;
  white-space: nowrap;
}

.mb:hover {
  color: var(--aa-text);
  border-color: var(--aa-accent);
}

.mb.on {
  background: var(--aa-fill);
  color: var(--aa-text);
  border-color: var(--aa-accent);
}

/* ── panel ── */
.panel,
.controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--aa-bg-2);
  border: 0.5px solid var(--aa-border);
  border-radius: var(--aa-radius);
  padding: var(--aa-pad);
  user-select: none;
}

/* ── knob / fader ── */
.knob-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
}

.kw,
.fw {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--aa-control-gap);
}

canvas.knob,
canvas.fader {
  cursor: ns-resize;
  touch-action: none;
  display: block;
  outline: none;
}

canvas.knob:focus-visible,
canvas.fader:focus-visible {
  outline: 1px solid var(--aa-border-2);
  outline-offset: 2px;
}

.kl {
  font-size: var(--aa-label-size);
  letter-spacing: 0.06em;
  color: var(--aa-muted);
  text-transform: uppercase;
  text-align: center;
  line-height: 1.2;
}

.kv {
  font-size: var(--aa-value-size);
  font-weight: 500;
  color: var(--aa-text);
  min-width: 40px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ── stage ── */
.stage {
  position: relative;
}

.stage.dragover {
  outline: 1px solid var(--aa-accent);
  outline-offset: -1px;
}

.canvas-wrap {
  position: relative;
  background: var(--aa-bg-2);
  border: 0.5px solid var(--aa-border);
  border-radius: var(--aa-radius);
  overflow: hidden;
  height: 320px;
}

.drop-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--aa-muted);
  font-size: 11px;
  letter-spacing: 0.05em;
  pointer-events: none;
  text-align: center;
  padding: 20px;
}

.drop-hint.hidden {
  display: none;
}

/* ── status ── */
.status {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 0 2px;
  font-size: var(--aa-value-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--aa-muted);
}

.status strong {
  color: var(--aa-text);
  font-weight: 500;
}

/* ── field ── */
.aa-field,
.text-input {
  width: 100%;
  background: var(--aa-bg-2);
  border: 0.5px solid var(--aa-border-2);
  border-radius: var(--aa-radius);
  color: var(--aa-text);
  font-family: var(--aa-ui);
  font-size: 11px;
  padding: 10px;
}

.aa-field:focus,
.text-input:focus {
  outline: none;
  border-color: var(--aa-accent);
}