#atelier,
.atelier-body {
  --rail-w: 15rem;
  --notes-w: 22rem;
  --seam-h: 2.4rem;
  --bubble: 0.9rem;
  --ok: #2f6b45;
  --partial: #a0562c;
  --miss: #8a8a8a;
}

.atelier-body,
.atelier-app {
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
}

.atelier-app {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.atelier-chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem 0.85rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--sans);
  min-height: 3.25rem;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.atelier-chrome .btn-menu {
  flex-shrink: 0;
  align-self: center;
  min-width: 44px;
  min-height: 44px;
}

.atelier-chrome .atelier-history,
.atelier-chrome .atelier-status,
.atelier-chrome #btn-eval,
.atelier-chrome #btn-save {
  flex-shrink: 0;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.atelier-chrome #btn-save:disabled:not(.is-dirty) {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
  opacity: 1;
}

.atelier-chrome #btn-save.is-dirty {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  opacity: 1;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.atelier-body .sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 30;
  transform: translateX(-100%);
  transition: transform 0.2s ease;
  pointer-events: none;
}

.atelier-body .sidebar.open {
  transform: translateX(0);
  pointer-events: auto;
}

.atelier-body #btn-close-sidebar {
  display: inline-flex;
}

.atelier-body .backdrop {
  z-index: 29;
}

.atelier-body .backdrop.open {
  display: block;
}

.atelier-body .space-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.atelier-body .space-btn {
  appearance: none;
  text-decoration: none;
  flex: 1;
  font-family: var(--sans);
  font-size: 0.68rem;
  padding: 0.3rem 0.35rem;
  border-radius: 0.35rem;
  border: 1px solid var(--border);
  background: var(--surface, #fff);
  color: var(--muted);
  cursor: pointer;
  text-align: center;
}

.atelier-body .space-btn.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

.atelier-body .sidebar-track {
  flex-shrink: 0;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.atelier-body .atelier-track-note {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--muted);
}

.atelier-body .track-actions {
  display: flex;
  gap: 0.2rem;
  margin-top: 0.35rem;
  justify-content: flex-end;
}

.atelier-body .chapter-link .meta {
  color: var(--muted);
  font-size: 0.7rem;
}

.atelier-body .book-home {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
  min-width: 0;
}
.atelier-body .book-home[hidden] {
  display: none;
}
.atelier-body .book-home-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  flex-shrink: 0;
  display: block;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 16%, transparent);
}
.atelier-body .book-home-current {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.2;
  min-width: 0;
}

.atelier-body .book-btn {
  appearance: none;
  flex: 1;
  font-family: var(--sans);
  font-size: 0.75rem;
  padding: 0.35rem 0.5rem;
  border-radius: 0.35rem;
  border: 1px solid var(--border);
  background: var(--surface, #fff);
  color: var(--muted);
  cursor: pointer;
}

.atelier-body .book-btn.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

.atelier-kicker {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.atelier-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.atelier-title-wrap { flex: 1; min-width: 0; }
.atelier-status {
  font-size: 0.72rem;
  color: var(--muted);
  min-width: 0;
  text-align: right;
}
.atelier-status:empty { display: none; }

.atelier-dock {
  display: none;
  flex-shrink: 0;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.55rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  font-family: var(--sans);
  min-height: 2.75rem;
}
.atelier-dock-current {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.05rem;
  padding: 0.15rem 0.35rem;
  touch-action: none;
  cursor: default;
}
.atelier-dock-name {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.atelier-dock-words {
  font-size: 0.68rem;
  color: var(--muted);
}
.atelier-dock .icon-btn,
.atelier-dock-grip {
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
}
.ico-chevron {
  display: block;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin: 0.05rem auto 0.2rem;
}
.atelier-app.is-trame-open .ico-chevron {
  transform: rotate(-135deg);
  margin: 0.2rem auto 0.05rem;
}

.atelier-layout {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--notes-w);
  flex: 1;
  min-height: 0;
  position: relative;
}
.atelier-center {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.atelier-trame,
.atelier-notes {
  overflow: auto;
  font-family: var(--sans);
  padding: 1.1rem 0.9rem 2rem;
}
.atelier-trame { border-right: 1px solid var(--border); }
.atelier-notes { border-left: 1px solid var(--border); background: color-mix(in srgb, var(--bg-sidebar) 55%, var(--bg)); }

.atelier-canvas {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 1.5rem clamp(1rem, 4vw, 3rem) 4rem;
  background: var(--surface, #fff);
}
.atelier-note-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem) 1.5rem;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 72%, transparent), color-mix(in srgb, var(--bg-sidebar) 55%, transparent));
  backdrop-filter: blur(10px);
}
.atelier-note-stage[hidden] { display: none; }
.note-stage-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--sans);
}
.note-stage-title {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.25rem;
  padding: 0.35rem 0.15rem;
}
.note-stage-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}
.note-stage-actions .btn,
.note-stage-actions .icon-btn,
.note-actions .icon-btn {
  min-width: 44px;
  min-height: 44px;
}
.note-stage-body {
  flex: 1;
  min-height: 12rem;
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 0.7rem;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.75;
  padding: 1rem 1.1rem;
  resize: none;
  outline: none;
  box-shadow: 0 10px 40px color-mix(in srgb, var(--ink) 6%, transparent);
}

.trame-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.85rem;
}
.trame-head h2 {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.trame-meta { font-size: 0.7rem; color: var(--muted); }

.trame-spine {
  position: relative;
  padding-left: 1.35rem;
}
.trame-spine::before {
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 1px;
  background: color-mix(in srgb, var(--border) 80%, var(--accent));
}
.trame-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.4rem;
  margin: 0.15rem 0;
  cursor: pointer;
  border: 0;
  background: transparent;
  width: 100%;
  text-align: left;
  color: inherit;
  font: inherit;
  padding: 0.15rem 0;
  user-select: none;
}
.trame-item.is-dragging,
.atelier-grip.is-dragging {
  opacity: 0.45;
}
body.is-reordering {
  cursor: grabbing;
  user-select: none;
}
.atelier-drop-line {
  position: fixed;
  height: 2px;
  background: var(--accent);
  z-index: 80;
  pointer-events: none;
  border-radius: 1px;
}
.atelier-drop-line.is-split {
  height: 3px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.atelier-drop-line.is-pending {
  opacity: 0.4;
}
.atelier-drop-ghost.is-ask {
  width: 12px;
  height: 12px;
  background: transparent;
  border: 1.5px solid var(--accent);
  opacity: 0.85;
}
.atelier-drop-ghost.is-armed {
  width: 14px;
  height: 14px;
  background: var(--bg);
  opacity: 1;
}
.atelier-drop-tick {
  position: fixed;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 40%, var(--border));
  z-index: 79;
  pointer-events: none;
}
.atelier-drop-ghost {
  position: fixed;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.55;
  z-index: 81;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.atelier-grip {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  cursor: grab;
  touch-action: none;
  opacity: 0.45;
}
.atelier-dock-grip {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  opacity: 0.7;
  display: none;
}
.atelier-app.is-trame-open .atelier-dock-grip {
  display: block;
}
.trame-grip {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  opacity: 0.5;
}
.atelier-grip::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 16px;
  width: 12px;
  height: 12px;
  background:
    radial-gradient(circle, var(--muted) 1.1px, transparent 1.3px) 0 0 / 5px 5px;
}
.atelier-grip:active { cursor: grabbing; opacity: 1; }
.trame-grip::before,
.atelier-dock-grip::before {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.atelier-history { display: flex; gap: 0.05rem; flex-shrink: 0; }
.atelier-history .icon-btn { min-width: 44px; min-height: 44px; }
.atelier-history .icon-btn[disabled] { opacity: 0.35; }
.trame-item.is-active .trame-label { color: var(--ink); font-weight: 600; }
.trame-bubble {
  flex: 0 0 var(--bubble);
  width: var(--bubble);
  height: var(--bubble);
  margin-left: calc(-1.35rem + 0.42rem - var(--bubble) / 2);
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  background: var(--bg);
  box-shadow: 0 0 0 3px var(--bg);
}
.trame-item.is-named .trame-bubble { background: var(--accent); }
.trame-item.is-ok .trame-bubble { border-color: var(--ok); background: var(--ok); }
.trame-item.is-partial .trame-bubble { border-color: var(--partial); }
.trame-item.is-drop { outline: 1px dashed var(--accent); border-radius: 0.4rem; }
.trame-label {
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.trame-row {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.trame-row .trame-item { flex: 1; min-width: 0; }
.trame-rename {
  display: none;
}
.trame-row.is-confirm .trame-item { cursor: default; }
.trame-confirm-line {
  flex: 1;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 55%, var(--border));
  min-width: 1.5rem;
}
.atelier-del {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0.45;
}
.trame-row:hover .atelier-del,
.atelier-seam:hover .atelier-del,
.atelier-del:focus {
  opacity: 1;
}
.atelier-del:hover {
  color: var(--danger, #8a2f2f);
}
@keyframes atelier-del-confirm-pop {
  0% {
    opacity: 0.45;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--danger, #8a2f2f) 0%, transparent);
  }
  55% {
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--danger, #8a2f2f) 22%, transparent);
  }
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 transparent;
  }
}
.atelier-del.is-confirm {
  opacity: 1;
  color: var(--danger, #8a2f2f);
  border-color: var(--danger, #8a2f2f);
  background: color-mix(in srgb, var(--danger, #8a2f2f) 10%, transparent);
  animation: atelier-del-confirm-pop 260ms ease-out;
}

.trame-new {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  margin-bottom: 0.7rem;
  border: 1px dashed var(--border);
  border-radius: 0.55rem;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.8rem;
  cursor: pointer;
}
.trame-new:active { background: color-mix(in srgb, var(--accent) 10%, transparent); }

.trame-add {
  display: block;
  width: 100%;
  min-height: 36px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0 0.35rem 1.35rem;
  cursor: pointer;
  opacity: 0.55;
}
.trame-spine:hover .trame-add,
.trame-add:focus { opacity: 1; }

.atelier-block {
  max-width: var(--max-read);
  margin: 0 auto;
  background: var(--surface, #fff);
}
.atelier-seam {
  position: relative;
  height: var(--seam-h);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.4rem 0;
  padding: 0 2.6rem 0 2.4rem;
}
.atelier-seam.is-confirm {
  justify-content: flex-start;
  gap: 0.55rem;
  padding-left: 0.2rem;
}
.atelier-confirm-dot {
  flex: 0 0 0.9rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  background: var(--surface, #fff);
  box-shadow: 0 0 0 3px var(--surface);
  z-index: 1;
}
.atelier-confirm-line {
  position: absolute;
  left: 0.9rem;
  right: 2.6rem;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 55%, var(--border));
}
.atelier-confirm-label {
  position: relative;
  z-index: 1;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface, #fff);
  padding: 0.25rem 0.6rem;
}
.atelier-seam .atelier-del {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}
.atelier-seam.is-confirm::before { display: none; }
.atelier-seam::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 18%, var(--border) 82%, transparent);
}
.atelier-seam-label {
  position: relative;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface, #fff);
  padding: 0.25rem 0.7rem;
  border: 0;
  min-width: 6rem;
  min-height: 44px;
  text-align: center;
}
.atelier-seam-label.is-lazy { letter-spacing: 0.12em; opacity: 0.7; }
.atelier-seam.is-drop::before { background: var(--accent); }

.atelier-editor {
  display: block;
  width: 100%;
  border: 0;
  resize: none;
  background: var(--surface, #fff);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.75;
  padding: 0.35rem 0.2rem 0.8rem;
  outline: none;
  min-height: 6rem;
  overflow: hidden;
}
.atelier-block.is-dim .atelier-editor { opacity: 0.45; }
.atelier-block.is-focus .atelier-editor { opacity: 1; }
.atelier-block.is-drop .atelier-editor {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border-radius: 0.4rem;
}

.notes-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.notes-toolbar .notes-tabs {
  flex: 1 1 auto;
}
.notes-toolbar h2 {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.btn-new-note {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.note-plus {
  display: block;
  width: 0.72rem;
  height: 0.72rem;
  position: relative;
  flex: 0 0 auto;
}
.note-plus::before,
.note-plus::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
}
.note-plus::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}
.note-plus::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}
@keyframes note-plus-spin {
  0% { transform: rotate(0deg) scale(1); }
  45% { transform: rotate(90deg) scale(1.28); }
  100% { transform: rotate(90deg) scale(1); }
}
.btn-new-note.is-creating .note-plus {
  animation: note-plus-spin 0.45s ease-out;
}

.note-card {
  background: color-mix(in srgb, var(--bg) 88%, white);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.7rem 0.75rem;
  margin-bottom: 0.65rem;
  cursor: pointer;
  transform-origin: top center;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    padding 0.22s ease,
    margin 0.22s ease,
    background 0.22s ease;
}
.note-card:focus {
  outline: none;
}
.note-card:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}
.note-card.is-confirm {
  border-color: color-mix(in srgb, var(--danger, #8a2f2f) 42%, var(--border));
}
.note-card.is-current {
  padding: 0.95rem 0.9rem;
  margin-left: -0.15rem;
  margin-right: -0.15rem;
  border-color: color-mix(in srgb, var(--accent) 72%, var(--border));
  background: var(--surface, #fff);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent),
    0 10px 28px color-mix(in srgb, var(--ink) 8%, transparent);
  position: relative;
  z-index: 1;
}
.note-card.is-current h3 {
  color: var(--ink);
}
@keyframes note-card-enter {
  0% {
    opacity: 0;
    transform: scale(0.94) translateY(-12px);
  }
  70% {
    opacity: 1;
    transform: scale(1.02) translateY(0);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}
.note-card.is-entering {
  animation: note-card-enter 0.48s ease-out;
}
.note-card-head {
  display: flex;
  align-items: flex-start;
  gap: 0.3rem;
  margin: 0 0 0.35rem;
}
.note-card-head h3 {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
}
.note-card.is-current .note-card-head h3 {
  font-size: 0.92rem;
}
.note-card .atelier-del,
.note-stage-actions .atelier-del {
  width: 36px;
  height: 36px;
  opacity: 0.4;
}
.note-card:hover .atelier-del,
.note-card .atelier-del:focus,
.note-card .atelier-del.is-confirm,
.note-stage-actions .atelier-del:focus,
.note-stage-actions .atelier-del.is-confirm,
.note-stage-actions:hover .atelier-del {
  opacity: 1;
}
.note-preview {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
  max-height: 4.4rem;
  overflow: hidden;
  transition: max-height 0.28s ease;
}
.note-card.is-current .note-preview {
  max-height: 11.2rem;
  color: color-mix(in srgb, var(--ink) 72%, var(--muted));
}
.note-actions { display: flex; gap: 0.35rem; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  .btn-new-note.is-creating .note-plus,
  .note-card.is-entering {
    animation: none;
  }
  .note-card,
  .note-preview {
    transition: none;
  }
}
.frag {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 0.45rem;
  padding: 0.45rem 0.55rem;
  margin: 0.28rem 0;
  cursor: grab;
  font-size: 0.78rem;
  color: var(--ink);
}
.frag:active { cursor: grabbing; }
.frag.is-used { opacity: 0.45; }
.frag-label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.note-title-input,
.note-editor,
.obj-pop-text {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: var(--bg);
  color: var(--ink);
  padding: 0.45rem 0.55rem;
  margin: 0 0 0.45rem;
}
.note-editor, .obj-pop-text { min-height: 8rem; resize: vertical; }

.atelier-toast {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 0.8rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  z-index: 40;
}

.atelier-modal {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--ink) 28%, transparent);
  display: grid;
  place-items: center;
  z-index: 50;
}
.atelier-modal[hidden] { display: none; }
.atelier-modal-card {
  width: min(36rem, calc(100vw - 2rem));
  background: var(--bg);
  border-radius: 0.85rem;
  border: 1px solid var(--border);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
  font-family: var(--sans);
}
.atelier-modal-card header,
.atelier-modal-card footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
}
.atelier-modal-card h2 { margin: 0; font-size: 1rem; font-weight: 600; }
.atelier-modal-body { padding: 0 1rem 0.5rem; max-height: 50vh; overflow: auto; }
.dist-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0.6rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.dist-row select {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--bg);
  padding: 0.25rem 0.35rem;
}

@media (max-width: 900px) {
  .atelier-kicker { display: none; }
  .atelier-status { display: none; }
  .atelier-chrome {
    gap: 0.35rem;
    padding: 0.4rem 0.55rem;
  }
  .atelier-chrome #btn-save,
  .atelier-chrome #btn-eval {
    font-size: 0.72rem;
    padding: 0.3rem 0.5rem;
  }
  .atelier-dock { display: flex; }
  .atelier-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
    position: relative;
  }
  .atelier-app.is-trame-open .atelier-canvas,
  .atelier-app.is-trame-open .atelier-note-stage {
    overflow: hidden;
    touch-action: none;
  }
  .atelier-trame {
    display: none;
    position: absolute;
    z-index: 12;
    top: 0;
    left: 0;
    right: 0;
    max-height: min(52vh, 24rem);
    border: 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    box-shadow: 0 12px 28px color-mix(in srgb, var(--ink) 10%, transparent);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  .atelier-app.is-trame-open .atelier-trame { display: block; }
  .trame-mobile-head {
    margin-bottom: 0.55rem;
  }
  .trame-mobile-title {
    margin: 0 0 0.25rem;
    font-family: var(--sans);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ink);
  }
  .trame-mobile-hint {
    margin: 0;
    font-size: 0.72rem;
    line-height: 1.35;
  }
  .trame-meta-mobile {
    margin: 0 0 0.55rem;
    font-size: 0.68rem;
  }
  .trame-spine {
    padding-left: 0.15rem;
  }
  .trame-row {
    gap: 0.1rem;
    padding: 0.1rem 0;
    border-radius: 0.45rem;
  }
  .trame-row:has(.trame-item.is-active) {
    background: color-mix(in srgb, var(--accent) 8%, var(--bg));
  }
  .trame-grip {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    opacity: 0.9;
  }
  .trame-rename {
    display: inline-flex;
    flex: 0 0 44px;
    min-width: 44px;
    min-height: 44px;
    opacity: 0.85;
  }
  .trame-item {
    min-height: 2.75rem;
    padding: 0.2rem 0;
  }
  .trame-bubble {
    margin-left: 0.15rem;
  }
  .trame-words {
    font-size: 0.68rem;
    color: var(--muted);
    margin-left: 0.35rem;
  }
  .trame-head h2 { display: none; }
  .atelier-notes {
    max-height: 28vh;
    border: 0;
    border-top: 1px solid var(--border);
  }
  .atelier-canvas { padding: 0.9rem 1rem 3rem; }
  .atelier-seam-label,
  .atelier-block .atelier-grip { display: none; }
  .atelier-seam { padding: 0; height: 0.4rem; }
}