/**
 * Plantasia — Black / white / neon green terminal theme
 * Neon green (#39ff14) reserved for interactive states & highlights
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Design tokens ───────────────────────────────────────────── */
:root {
  --color-bg: #0a0a0a;
  --color-neon: #39ff14;
  --color-neon-hover: #5dff3f;
  --color-neon-muted: rgba(57, 255, 20, 0.55);
  --color-neon-glow: rgba(57, 255, 20, 0.42);
  --color-primary: var(--color-neon);
  --color-primary-hover: var(--color-neon-hover);
  --color-primary-muted: var(--color-neon-muted);
  --color-text: #f5f5f5;
  --color-text-secondary: rgba(245, 245, 245, 0.58);
  --color-surface-raised: #141414;
  --color-surface-sunken: #050505;
  --color-surface-overlay: rgba(10, 10, 10, 0.97);
  --color-border: rgba(245, 245, 245, 0.14);
  --color-border-subtle: rgba(245, 245, 245, 0.08);
  --color-focus: var(--color-neon);

  --font-family-base: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 18px var(--color-neon-glow);

  --bs-body-bg: var(--color-bg);
  --bs-body-color: var(--color-text);
  --bs-body-font-family: var(--font-family-base);
  --bs-body-font-size: var(--font-size-base);
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.5;

  --bs-emphasis-color: var(--color-text);
  --bs-secondary-color: var(--color-text-secondary);
  --bs-secondary-bg: var(--color-surface-raised);
  --bs-tertiary-color: rgba(245, 245, 245, 0.45);
  --bs-tertiary-bg: var(--color-surface-sunken);

  --bs-primary: var(--color-neon);
  --bs-primary-rgb: 57, 255, 20;
  --bs-secondary: #2a2a2a;
  --bs-secondary-rgb: 42, 42, 42;
  --bs-success: var(--color-neon);
  --bs-success-rgb: 57, 255, 20;
  --bs-info: #b0b0b0;
  --bs-info-rgb: 176, 176, 176;
  --bs-warning: #d0d0d0;
  --bs-warning-rgb: 208, 208, 208;
  --bs-danger: #b0b0b0;
  --bs-danger-rgb: 176, 176, 176;
  --bs-light: #f5f5f5;
  --bs-light-rgb: 245, 245, 245;
  --bs-dark: #0a0a0a;
  --bs-dark-rgb: 10, 10, 10;

  --bs-link-color: var(--color-text);
  --bs-link-hover-color: var(--color-neon);

  --bs-border-color: var(--color-border);
  --bs-border-width: 1px;
  --bs-border-radius: var(--radius-md);
  --bs-border-radius-sm: 0.25rem;
  --bs-border-radius-lg: var(--radius-lg);
  --bs-border-radius-pill: 50rem;

  --bs-box-shadow: var(--shadow-sm);
  --bs-box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.35);
  --bs-box-shadow-lg: var(--shadow-lg);

  --bs-font-sans-serif: var(--font-family-base);
  --bs-font-monospace: ui-monospace, 'Cascadia Code', monospace;

  --color-surface-default: var(--color-bg);
  --color-text-primary: var(--color-text);
  --color-border-default: var(--color-border);
  --color-accent: var(--color-neon);

  --welcome-green: var(--color-neon);
  --welcome-green-dim: #2ee012;
  --welcome-bg: #050505;
  --welcome-glow: var(--color-neon-glow);
}

/* ── Base ────────────────────────────────────────────────────── */
html,
body.plantasia-app {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-base);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
}

#waveCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
  background: var(--color-bg);
}

/* ── Bootstrap component overrides ───────────────────────────── */
.btn-primary {
  --bs-btn-bg: transparent;
  --bs-btn-border-color: rgba(245, 245, 245, 0.35);
  --bs-btn-color: #f5f5f5;
  --bs-btn-hover-bg: rgba(57, 255, 20, 0.1);
  --bs-btn-hover-border-color: var(--color-neon);
  --bs-btn-hover-color: var(--color-neon);
  --bs-btn-active-bg: rgba(57, 255, 20, 0.16);
  --bs-btn-active-border-color: var(--color-neon);
  --bs-btn-active-color: var(--color-neon);
  --bs-btn-focus-shadow-rgb: 57, 255, 20;
}

.btn-primary.is-active,
.btn-primary#play.is-active {
  --bs-btn-bg: rgba(57, 255, 20, 0.14);
  --bs-btn-border-color: var(--color-neon);
  --bs-btn-color: var(--color-neon);
  box-shadow: var(--shadow-glow);
}

.btn-outline-light {
  --bs-btn-color: var(--color-text);
  --bs-btn-border-color: var(--color-border);
  --bs-btn-hover-bg: var(--color-surface-raised);
  --bs-btn-hover-border-color: var(--color-neon);
  --bs-btn-hover-color: var(--color-neon);
  --bs-btn-active-bg: var(--color-surface-sunken);
  --bs-btn-active-border-color: var(--color-neon);
  --bs-btn-active-color: var(--color-neon);
}

.btn-outline-danger {
  --bs-btn-color: var(--color-text);
  --bs-btn-border-color: var(--color-border);
  --bs-btn-hover-bg: var(--color-surface-raised);
  --bs-btn-hover-border-color: rgba(245, 245, 245, 0.5);
  --bs-btn-hover-color: var(--color-text);
  --bs-btn-active-bg: var(--color-surface-sunken);
  --bs-btn-active-border-color: rgba(245, 245, 245, 0.5);
  --bs-btn-active-color: var(--color-text);
}

.form-control,
.form-select {
  background-color: var(--color-surface-sunken);
  border-color: var(--color-border);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--color-surface-sunken);
  border-color: var(--color-neon);
  color: var(--color-text);
  box-shadow: 0 0 0 0.2rem rgba(57, 255, 20, 0.2);
}

.form-range {
  accent-color: var(--color-neon);
}

.form-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: none;
  margin-bottom: var(--space-1);
}

.text-muted {
  color: var(--color-text-secondary) !important;
}

.card {
  background-color: var(--color-surface-raised);
  border-color: var(--color-border-subtle);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-neon);
  outline-offset: 2px;
}

/* ── Shared controls ─────────────────────────────────────────── */
.btn-synth {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: none;
  border-radius: var(--radius-md);
  min-height: 36px;
  padding: var(--space-1) var(--space-2);
}

.btn-close-synth {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  color: var(--color-text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  font-family: var(--font-family-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-close-synth:hover,
.btn-close-synth:focus-visible {
  color: var(--color-neon);
}

/* ── Stage toolbar ───────────────────────────────────────────── */
.stage-toolbar {
  position: fixed;
  top: var(--space-2);
  right: var(--space-2);
  z-index: 10;
  display: flex;
  flex-direction: row;
  gap: var(--space-1);
  align-items: flex-start;
  transition: right 0.35s ease;
}

body.drawer-open .stage-toolbar {
  right: calc(360px + var(--space-2));
}

.stage-btn {
  background: var(--color-surface-raised);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: none;
  font-family: var(--font-family-base);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}

.stage-btn__label {
  display: inline-block;
}

.stage-btn--menu {
  padding: 8px 14px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage-btn--data {
  padding: 8px 14px;
}

.stage-btn:hover,
.stage-btn:focus-visible {
  border-color: var(--color-neon);
  color: var(--color-neon);
}

.stage-btn.is-active {
  background: var(--color-surface-sunken);
  border-color: var(--color-neon);
  color: var(--color-neon);
  box-shadow: var(--shadow-glow);
}

/* ── Inspector / data panel ──────────────────────────────────── */
.data-panel,
.inspector {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 4;
  max-width: min(420px, calc(100vw - var(--space-4)));
  background: rgba(17, 17, 17, 0.94);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.data-panel.is-collapsed {
  pointer-events: none;
}

.data-panel__header,
.inspector__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
}

.data-panel__title,
.inspector__title {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--color-text);
}

.data-panel__body,
.inspector__body {
  margin: 0;
  padding: var(--space-2);
  font-size: var(--font-size-xs);
  font-family: var(--bs-font-monospace);
  white-space: pre-wrap;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  max-height: 50dvh;
  overflow: auto;
  line-height: 1.5;
}

/* ── Control surface drawer ──────────────────────────────────── */
.ui {
  position: fixed;
  top: 0;
  right: 0;
  width: 360px;
  max-width: 100vw;
  height: 100%;
  height: 100dvh;
  background: var(--color-surface-overlay);
  z-index: 3;
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ui.closed {
  pointer-events: none;
}

.ui.open {
  pointer-events: auto;
}

.deck__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 20px;
  border-bottom: 1px solid rgba(245, 245, 245, 0.12);
  position: sticky;
  top: 0;
  background: var(--color-surface-raised);
  z-index: 5;
  flex-shrink: 0;
}

.deck__brand {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.deck__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--color-text);
  line-height: normal;
}

.deck__subtitle {
  margin: 0;
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: normal;
}

.deck__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.deck__help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(57, 255, 20, 0.28);
  border-radius: 999px;
  background: rgba(57, 255, 20, 0.08);
  color: var(--color-neon);
  font-family: var(--font-family-base);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}

.deck__help:hover,
.deck__help:focus-visible,
.deck__help[aria-expanded="true"] {
  background: rgba(57, 255, 20, 0.16);
  border-color: var(--color-neon);
  box-shadow: var(--shadow-glow);
}

.deck__close {
  background: transparent;
  border: 1px solid transparent;
  padding: 0;
  font-size: 22px;
  color: rgba(245, 245, 245, 0.72);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.deck__close:hover,
.deck__close:focus-visible {
  color: var(--color-neon);
  background: rgba(57, 255, 20, 0.08);
  border-color: rgba(57, 255, 20, 0.28);
}

.deck__grid {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.deck-section {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border-subtle);
  border-radius: 0;
  padding: 12px 20px 16px;
  min-width: 0;
}

.deck-section:last-child {
  border-bottom: none;
}

.deck-section--performance {
  background: linear-gradient(180deg, rgba(57, 255, 20, 0.075), rgba(57, 255, 20, 0.025));
  border-bottom-color: rgba(57, 255, 20, 0.18);
}

.deck-section--performance .deck-section__title,
.deck-section--motion .deck-section__title {
  color: rgba(57, 255, 20, 0.8);
}

.deck-section--wide {
  /* vertical stack — no grid span */
}

.deck-section__title {
  margin: 0 0 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(245, 245, 245, 0.45);
}

.deck-section__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.deck-section__note {
  margin: 0;
  font-size: 11px;
  color: rgba(245, 245, 245, 0.4);
  line-height: 1.4;
}

.deck-section__collapse {
  margin: 0;
  padding: 12px 20px;
  width: 100%;
  border-bottom: 1px solid var(--color-border-subtle);
  border-radius: 0;
}

.param-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.param-row__label {
  margin-bottom: 0;
  width: 108px;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: rgba(245, 245, 245, 0.85);
}

.param-row__control {
  flex: 1;
  min-width: 0;
  width: auto;
  accent-color: var(--color-neon);
  height: 4px;
  padding: 0;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-surface-sunken);
  border: 1px solid rgba(245, 245, 245, 0.1);
  border-radius: 2px;
}

.param-row__control::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: var(--color-surface-sunken);
}

.param-row__control::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e8e8e8;
  border: none;
  margin-top: -4px;
  cursor: pointer;
}

.param-row__control:focus-visible::-webkit-slider-thumb,
.param-row__control:active::-webkit-slider-thumb {
  background: var(--color-neon);
  box-shadow: 0 0 8px var(--color-neon-glow);
}

.param-row__control::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: var(--color-surface-sunken);
  border: none;
}

.param-row__control::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e8e8e8;
  border: none;
  cursor: pointer;
}

.param-row__control:focus-visible::-moz-range-thumb,
.param-row__control:active::-moz-range-thumb {
  background: var(--color-neon);
  box-shadow: 0 0 8px var(--color-neon-glow);
}

.param-row__control--compact {
  flex: 1;
  min-width: 0;
}

.param-row__select {
  width: 100%;
  min-width: 0;
}

.param-row__static {
  flex: 1;
  min-width: 0;
  padding: 5px 10px;
  border: 1px solid rgba(57, 255, 20, 0.22);
  border-radius: 999px;
  background: rgba(57, 255, 20, 0.07);
  color: rgba(245, 245, 245, 0.9);
  font-size: 13px;
  line-height: 1.25;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  letter-spacing: 0.01em;
}

.param-row__inline {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-width: 0;
  flex: 1;
}

.param-row__value {
  font-size: var(--font-size-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  min-width: 2.5rem;
  text-align: right;
}

.param-row__unit {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.transport-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.transport-cluster .btn-synth {
  flex: 0 0 auto;
  min-width: 0;
  padding: 8px 16px;
  font-size: 14px;
  min-height: auto;
}

.deck-section--performance .transport-cluster .btn-synth {
  flex: 1 1 calc(50% - var(--space-1));
  min-height: 40px;
  font-weight: 650;
}

.btn-stop-outline {
  --bs-btn-color: var(--color-text);
  --bs-btn-border-color: rgba(245, 245, 245, 0.3);
  --bs-btn-hover-bg: var(--color-surface-raised);
  --bs-btn-hover-border-color: rgba(245, 245, 245, 0.5);
  --bs-btn-hover-color: var(--color-text);
  --bs-btn-active-bg: var(--color-surface-sunken);
  --bs-btn-active-border-color: rgba(245, 245, 245, 0.5);
  --bs-btn-active-color: var(--color-text);
}

.ui select,
.ui input[type="range"] {
  accent-color: var(--color-neon);
}

.ui .form-select {
  background: var(--color-surface-sunken);
  border-color: var(--color-border);
  color: var(--color-text);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 4px;
}

.ui button {
  font-family: var(--font-family-base);
}

.ui .btn-outline-light:hover,
.ui .btn-outline-light:focus-visible {
  border-color: var(--color-neon);
  color: var(--color-neon);
}

.ui .btn-primary:hover,
.ui .btn-primary:focus-visible {
  color: var(--color-neon);
  border-color: var(--color-neon);
}

.ui button.is-active,
.ui button#play.is-active {
  background: rgba(57, 255, 20, 0.14);
  border-color: var(--color-neon);
  color: var(--color-neon);
  box-shadow: var(--shadow-glow);
}

/* Performance mode stage treatments */
body.mode-juno-flow #waveCanvas {
  filter: none;
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: rgba(245, 245, 245, 0.45);
  font-family: var(--font-family-base);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  cursor: pointer;
  text-align: left;
}

.collapsible-header:hover,
.collapsible-header:focus-visible {
  color: var(--color-neon);
}

.collapsible-header--nested {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  margin-top: var(--space-1);
}

.collapsible-header__icon {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.collapsible-header[aria-expanded="true"] .collapsible-header__icon {
  color: var(--color-neon);
}

.midi-section__body.is-collapsed,
.mpk-legend.is-collapsed {
  display: none;
}

.midi-section {
  padding: 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.midi-section__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 20px 16px;
}

.midi-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.midi-section__row {
  min-width: 0;
  align-items: stretch;
}

.midi-section__row .param-row__label {
  width: 92px;
}

.midi-section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.midi-section__actions button {
  flex: 1;
  min-width: 120px;
}

.midi-section__status {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
  white-space: pre-wrap;
}

.mod-section {
  gap: var(--space-2);
}

.mod-row {
  min-width: 0;
}

.transport-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mpk-legend {
  padding: var(--space-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mpk-legend__title {
  margin: 0;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--color-text);
}

.mpk-legend__hint {
  margin: 0;
  font-size: 0.6875rem;
  color: var(--color-text-secondary);
  line-height: 1.35;
}

.mpk-legend__pads {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1);
}

.mpk-legend__pad {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: border-color 0.12s, box-shadow 0.12s;
}

.mpk-legend__pad.is-active {
  border-color: var(--color-neon);
  box-shadow: var(--shadow-glow);
}

.mpk-legend__pad-num {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.mpk-legend__pad.is-active .mpk-legend__pad-num {
  color: var(--color-neon);
}

.mpk-legend__pad-label {
  font-size: 0.6rem;
  text-align: center;
  color: var(--color-text-secondary);
  line-height: 1.2;
}

.mpk-legend__knobs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1);
}

.mpk-legend__knob {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-1);
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.mpk-legend__knob-num {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.mpk-legend__knob-label {
  font-size: 0.55rem;
  text-align: center;
  color: var(--color-text-secondary);
}

#infoDisplay {
  background: transparent;
  border: none;
  box-shadow: none;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 700px) {
  .ui {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--color-border-subtle);
    top: auto;
    bottom: 0;
    height: auto;
    max-height: 88dvh;
  }

  body.drawer-open .stage-toolbar {
    right: var(--space-2);
    top: var(--space-2);
  }

  .deck__header {
    padding: var(--space-2) 20px;
  }

  .midi-grid {
    grid-template-columns: 1fr;
  }

  .transport-cluster .btn-synth {
    flex: 1 1 calc(50% - var(--space-1));
  }

  .midi-section__actions button {
    min-width: 0;
  }

  .param-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .param-row__label {
    width: auto;
  }

  .data-panel,
  .inspector {
    left: var(--space-2);
    right: var(--space-2);
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Welcome screen ────────────────────────────────────────────── */
body.welcome-active #appRoot {
  visibility: hidden;
  pointer-events: none;
}

.welcome-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--welcome-bg);
  overflow: hidden;
  cursor: pointer;
}

.welcome-screen__pollen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.welcome-screen__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(ellipse 72% 48% at 50% 38%, rgba(57, 255, 20, 0.1) 0%, transparent 68%),
    radial-gradient(ellipse 90% 60% at 50% 100%, rgba(57, 255, 20, 0.04) 0%, transparent 55%);
  animation: welcome-terminal-glow 6s ease-in-out infinite;
}

.welcome-screen__scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0.32;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.22) 2px,
    rgba(0, 0, 0, 0.22) 4px
  );
}

.welcome-screen__content {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  max-width: min(96vw, 920px);
  text-align: center;
}

.welcome-screen__ascii {
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  font-family: ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: clamp(8px, 1.05vw, 12px);
  line-height: 1.12;
  letter-spacing: 0;
  white-space: pre;
  color: #f5f5f5;
  text-shadow:
    0 0 6px var(--welcome-glow),
    0 0 16px rgba(57, 255, 20, 0.22);
  animation: welcome-ascii-flicker 6s ease-in-out infinite;
  user-select: none;
}

.welcome-screen__cta {
  margin: 0;
  padding: var(--space-1) var(--space-2);
  border: none;
  background: transparent;
  font-family: ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: clamp(0.7rem, 2.4vw, 0.875rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 245, 245, 0.62);
  text-shadow: none;
  cursor: pointer;
  transition: color 0.2s, text-shadow 0.2s;
  animation: welcome-cta-pulse 2.8s ease-in-out infinite;
}

.welcome-screen__cta:hover,
.welcome-screen__cta:focus-visible {
  color: var(--welcome-green);
  text-shadow: 0 0 14px var(--welcome-glow);
  outline: none;
}

.welcome-screen__cta:focus-visible {
  outline: 2px solid var(--welcome-green-dim);
  outline-offset: 4px;
}

@keyframes welcome-ascii-flicker {
  0%, 100% { opacity: 0.9; filter: brightness(0.96); }
  8% { opacity: 0.82; }
  16% { opacity: 0.95; }
  42% { opacity: 1; filter: brightness(1.1); }
  58% { opacity: 0.88; }
  74% { opacity: 0.97; filter: brightness(1.05); }
}

@keyframes welcome-cta-pulse {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

@keyframes welcome-terminal-glow {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

@media (max-width: 700px) {
  .welcome-screen__ascii {
    font-size: clamp(8px, 0.85vw, 11px);
    line-height: 1.08;
  }

  .welcome-screen__content {
    gap: var(--space-2);
    padding: var(--space-2);
  }

  .welcome-screen__cta {
    letter-spacing: 0.1em;
    font-size: 0.65rem;
  }
}

@media (max-width: 400px) {
  .welcome-screen__ascii {
    font-size: 8px;
  }
}

/* ── How to Play guide ─────────────────────────────────────────── */
.play-guide {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.play-guide__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
}

.play-guide__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  max-height: min(88dvh, 520px);
  overflow: auto;
  background: var(--color-surface-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 24px rgba(57, 255, 20, 0.06);
}

.play-guide__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-surface-raised);
}

.play-guide__title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.play-guide__close {
  background: transparent;
  border: none;
  color: rgba(245, 245, 245, 0.6);
}

.play-guide__close:hover,
.play-guide__close:focus-visible {
  color: var(--welcome-green);
  background: transparent;
}

.play-guide__body {
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.play-guide__body p {
  margin: 0 0 var(--space-2);
}

.play-guide__label {
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-2);
}

.play-guide__keys {
  margin: var(--space-1) 0;
  font-family: ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: clamp(1rem, 4.5vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--color-text);
}

.play-guide__keys--alt {
  letter-spacing: 0.28em;
  color: var(--color-text-secondary);
}

.play-guide__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}