/* studio.css — interaction-upgrade layer: action bar, presets, section tabs,
   status summary, toast, mobile sheet, canvas drag, a11y. */

.studio-action-bar,
.preset-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0;
}

.studio-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 0;
}

.preset-bar {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 0;
}

.studio-icon-button,
.preset-chip,
.secondary-download {
  min-height: 38px;
}

.studio-icon-button:disabled {
  cursor: not-allowed;
  filter: grayscale(0.8);
  opacity: 0.45;
  transform: none !important;
}

.preset-chip {
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: none;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--body-font);
  font-weight: 700;
  justify-content: center;
  padding: 10px 12px;
  transition: transform 0.16s ease, background 0.16s ease;
}

.preset-chip:hover {
  background: rgba(109, 76, 255, 0.08);
  border-color: rgba(109, 76, 255, 0.35);
  transform: translateY(-2px);
}

.studio-summary {
  background: transparent;
  border: 0;
  box-shadow: none;
  display: grid;
  gap: 12px;
  justify-self: stretch;
  padding: 0;
}

.summary-header {
  align-items: end;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.summary-header strong {
  font-family: var(--pixel-bold);
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-grid span {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(43, 52, 103, 0.07);
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 18px 20px;
}

.summary-grid b {
  font-family: var(--body-font);
  font-size: 15px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-grid small {
  color: var(--muted);
  font-size: 12px;
}

.section-tabs {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 12px;
}

.section-tab {
  background: #f8f9ff;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--body-font);
  font-size: 12px;
  font-weight: 700;
  min-height: 42px;
  padding: 8px 6px;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.section-tab.active {
  background: rgba(109, 76, 255, 0.1);
  border-color: rgba(109, 76, 255, 0.38);
  color: var(--violet);
}

.secondary-download {
  white-space: nowrap;
}

.download-row .secondary-download {
  margin-left: 0;
}

.canvas-frame.is-draggable {
  cursor: grab;
  touch-action: none;
}

.canvas-frame.dragging {
  cursor: grabbing;
  outline: 4px solid rgba(109, 76, 255, 0.18);
}

.studio-toast {
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: 12px;
  bottom: 24px;
  box-shadow: var(--shadow);
  color: var(--ink);
  font-family: var(--body-font);
  font-weight: 700;
  left: 50%;
  opacity: 0;
  padding: 10px 14px;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 18px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 1000;
}

.studio-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.mobile-tune-button,
.sheet-handle {
  display: none;
}

/* Visible keyboard focus on every interactive control (a11y). */
button:focus-visible,
label:focus-visible,
[role="button"]:focus-visible,
[role="tab"]:focus-visible,
[tabindex="0"]:focus-visible,
input:focus-visible,
.lang-flag:focus-visible,
.render-frame-card:focus-visible,
.render-ornament-card:focus-visible,
.render-background-card:focus-visible {
  outline: 3px solid rgba(109, 76, 255, 0.45);
  outline-offset: 2px;
  border-radius: var(--radius);
}

/* Honour reduced-motion preferences. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}