:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --bg-raised: #ffffff;
  --fg: #1a1a1e;
  --fg-muted: #666670;
  --border: #dcdce1;
  --accent: #3958d1;
  --accent-fg: #ffffff;
  --danger: #b3212f;
  --focus-ring: #3958d1;

  --bg-chip-cue: #ffe1a8;
  --fg-chip-cue: #5c3d00;
  --bg-chip-note: #d3e6ff;
  --fg-chip-note: #17335e;
  --bg-chip-direction: #ded9f5;
  --fg-chip-direction: #392f6b;
  --border-chip-direction: #b3a8e8;

  --shadow: 0 6px 24px rgba(20, 20, 30, .12);

  --xml-tag: #7a2f8a;
  --xml-attrname: #8a5a00;
  --xml-attrvalue: #1c6e3c;
  --xml-comment: #7d7d85;
  --xml-punct: var(--fg-muted);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c20;
    --bg-alt: #232429;
    --bg-raised: #26272d;
    --fg: #e8e8ec;
    --fg-muted: #9b9ba5;
    --border: #38393f;
    --accent: #7c9bff;
    --accent-fg: #10121a;
    --danger: #ff8792;
    --focus-ring: #7c9bff;

    --bg-chip-cue: #4a3814;
    --fg-chip-cue: #ffd28f;
    --bg-chip-note: #1d3252;
    --fg-chip-note: #bdd7ff;
    --bg-chip-direction: #3a3454;
    --fg-chip-direction: #d9d0ff;
    --border-chip-direction: #5c4f96;

    --shadow: 0 6px 24px rgba(0, 0, 0, .5);

    --xml-tag: #d79bea;
    --xml-attrname: #e0b34d;
    --xml-attrvalue: #7fd99f;
    --xml-comment: #86868f;
    --xml-punct: var(--fg-muted);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  color: var(--fg);
  background: var(--bg);
}

button {
  font: inherit;
  color: inherit;
}

.hidden { display: none !important; }

#branch-picker {
  max-width: 34rem;
  margin: 4rem auto;
  padding: 2rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

#branch-picker h1 {
  font-size: 1.3rem;
  margin: 0 0 .3rem;
}

.play-title {
  margin: 0 0 1.5rem;
  color: var(--fg-muted);
}
.play-title:empty { display: none; }

.branch-picker-row {
  display: flex;
  gap: .6rem;
  align-items: center;
  margin: .9rem 0;
}

.branch-picker-row label {
  min-width: 11rem;
  color: var(--fg-muted);
  font-size: .9rem;
}

.branch-picker-row select,
.branch-picker-row input {
  flex: 1;
  padding: .4rem .5rem;
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.branch-picker-row button,
#save-btn,
#refresh-btn,
#sync-preview-btn,
#discard-orphaned-btn,
.popover-done {
  padding: .4rem .9rem;
  font: inherit;
  font-weight: 500;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.branch-picker-row button:hover,
#save-btn:hover,
#refresh-btn:hover,
#sync-preview-btn:hover,
#discard-orphaned-btn:hover,
.popover-done:hover {
  filter: brightness(1.08);
}

select:focus, input:focus, button:focus,
.tokenstrip:focus, #raw-textarea:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.error {
  color: var(--danger);
  white-space: pre-wrap;
  min-height: 1.2em;
  font-size: .9rem;
}

#orphaned-prompt {
  margin-top: .5rem;
  padding: .8rem 1rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
}

#orphaned-prompt p { margin: 0 0 .6rem; font-size: .9rem; color: var(--fg-muted); }

#topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .6rem 1.2rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}

#back-btn {
  padding: .3rem .7rem;
  font: inherit;
  background: none;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
#back-btn:hover { color: var(--fg); border-color: var(--fg-muted); }

#save-status { flex: 1; color: var(--fg-muted); font-size: .9rem; }

#panes {
  display: flex;
  height: calc(100vh - 3.4rem);
}

#left-pane, #right-pane {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

#left-pane { border-right: 1px solid var(--border); }

#tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.tab {
  padding: .6rem 1.2rem;
  border: none;
  background: none;
  color: var(--fg-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab.active { border-bottom-color: var(--accent); color: var(--fg); font-weight: 600; }

.tabpanel { display: none; flex: 1; padding: .9rem 1.1rem; overflow-y: auto; }
.tabpanel.active { display: flex; flex-direction: column; }

#raw-editor {
  flex: 1;
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

#line-numbers {
  flex: 0 0 auto;
  padding: 4px 6px;
  text-align: right;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: .85rem;
  line-height: 1.4;
  color: var(--fg-muted);
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  overflow: hidden;
  white-space: pre;
  user-select: none;
}

#raw-textwrap {
  position: relative;
  flex: 1;
  min-width: 0;
}

#raw-highlight,
#raw-textarea {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 4px 6px;
  border: none;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: .85rem;
  line-height: 1.4;
  white-space: pre;
  tab-size: 2;
}

#raw-highlight {
  overflow: hidden;
  pointer-events: none;
  color: var(--fg);
  background: transparent;
}

#raw-highlight code { font: inherit; }

#raw-textarea {
  width: 100%;
  height: 100%;
  overflow: auto;
  resize: none;
  background: transparent;
  color: transparent;
  caret-color: var(--fg);
}

#raw-textarea::selection { background: rgba(122, 155, 255, .35); }

.xml-tag { color: var(--xml-tag); font-weight: 600; }
.xml-attrname { color: var(--xml-attrname); }
.xml-attrvalue { color: var(--xml-attrvalue); }
.xml-comment { color: var(--xml-comment); font-style: italic; }
.xml-punct { color: var(--xml-punct); }

.scene-heading {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 0 -1.1rem 1rem;
  padding: .5rem 1.1rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-size: .95rem;
  color: var(--fg-muted);
}

.element { margin-bottom: 1rem; border-radius: 8px; }
.element.drag-over-top { box-shadow: inset 0 2px 0 var(--accent); }
.element.drag-over-bottom { box-shadow: inset 0 -2px 0 var(--accent); }

.element-body.hidden { display: none; }

.element-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .25rem;
}

.element-label-group {
  display: flex;
  align-items: center;
  gap: .35rem;
  min-width: 0;
}

.drag-handle {
  display: flex;
  color: var(--fg-muted);
  opacity: .55;
  cursor: grab;
  flex: 0 0 auto;
}
.drag-handle.drag-handle-disabled { cursor: default; opacity: .25; }

.element-label {
  font-weight: 600;
  font-size: .85rem;
  color: var(--fg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.element-actions {
  display: flex;
  align-items: center;
  gap: .3rem;
  flex: 0 0 auto;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg-muted);
  cursor: pointer;
}
.icon-btn:hover:not(:disabled) { color: var(--fg); border-color: var(--fg-muted); }
.icon-btn:disabled { opacity: .3; cursor: not-allowed; }
.icon-btn.danger:hover:not(:disabled) { color: var(--danger); border-color: var(--danger); }

.insert-top-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  width: 100%;
  padding: .5rem;
  margin-bottom: 1rem;
  background: none;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--fg-muted);
  font-size: .85rem;
  cursor: pointer;
}
.insert-top-btn:hover { border-color: var(--accent); color: var(--accent); }

.insert-menu {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .6rem;
  margin: -.4rem 0 1rem;
}
.insert-menu-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.menu-btn {
  padding: .35rem .7rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  font-size: .85rem;
  cursor: pointer;
}
.menu-btn:hover:not(:disabled) { border-color: var(--accent); }
.menu-btn:disabled { opacity: .4; cursor: not-allowed; }
.person-chip {
  padding: .3rem .8rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg);
  font-size: .85rem;
  cursor: pointer;
}
.person-chip:hover { border-color: var(--accent); color: var(--accent); }
.menu-cancel {
  background: none;
  border: none;
  color: var(--fg-muted);
  font-size: .85rem;
  cursor: pointer;
  margin-left: auto;
  text-decoration: underline;
}

.delete-confirm {
  display: flex;
  align-items: center;
  gap: .6rem;
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: .5rem .7rem;
  background: var(--bg-raised);
}
.delete-confirm-text { color: var(--danger); font-size: .85rem; flex: 1; }
.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: .35rem .8rem;
  font-size: .85rem;
  cursor: pointer;
  flex: 0 0 auto;
}
.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .35rem .8rem;
  font-size: .85rem;
  color: var(--fg);
  cursor: pointer;
  flex: 0 0 auto;
}

.tokenstrip {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .45rem .6rem;
  min-height: 1.6em;
  line-height: 1.5;
}

.element-error { color: var(--danger); font-size: .85rem; }

.chip {
  display: inline-block;
  padding: 0 .4rem;
  margin: 0 .15rem;
  border-radius: 4px;
  font-size: .85rem;
  user-select: none;
  cursor: default;
}

.chip-cue { background: var(--bg-chip-cue); color: var(--fg-chip-cue); }
.chip-note { background: var(--bg-chip-note); color: var(--fg-chip-note); }
.chip-direction {
  background: var(--bg-chip-direction);
  color: var(--fg-chip-direction);
  border: 1px solid var(--border-chip-direction);
  font-style: italic;
  cursor: pointer;
}

.popover {
  position: absolute;
  z-index: 10;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .6rem;
  box-shadow: var(--shadow);
  min-width: 16rem;
}

.popover .tokenstrip { margin-bottom: .5rem; }

#preview-controls { padding: .6rem 1.1rem; border-bottom: 1px solid var(--border); background: var(--bg-alt); }

#preview {
  padding: 0 1.3rem 1.3rem;
  flex: 1;
  overflow-y: auto;
  font-family: Georgia, Cambria, "Times New Roman", serif;
  line-height: 1.55;
}

#preview h1 { font-size: 1.7rem; text-align: center; margin: 1.3rem 0 .2rem; }
#preview p.subtitle { text-align: center; margin: 0 0 .3rem; }
#preview p.subtitle2 { text-align: center; font-style: italic; color: var(--fg-muted); margin: 0 0 .3rem; }
#preview p.version {
  text-align: center;
  font-size: .85rem;
  color: var(--fg-muted);
  margin: 0 0 2rem;
}
#preview h2 { font-size: 1.25rem; margin-top: 2.2rem; }
#preview h2.break {
  text-align: center;
  background: var(--fg);
  color: var(--bg);
  padding: .4rem 1rem;
  display: inline-block;
}
#preview h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .35rem .6rem;
  margin: 1.6rem 0 1rem;
}
#preview p { margin: .9rem 0; }
#preview p.speech strong { font-weight: 700; }
#preview p.direction, #preview p.desc { color: var(--fg-muted); }