:root {
  --ed-bg: #f4f4f0;
  --ed-panel: #ffffff;
  --ed-border: #d3d1c7;
  --ed-text: #1a1a1a;
  --ed-muted: #5f5e5a;
  --ed-accent: #d85a30;
  --ed-accent-hover: #993c1d;
  --ed-danger: #a32d2d;
  --ed-warning: #ba7517;
  --ed-bg-secondary: #ebe9e2;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ed-bg);
  color: var(--ed-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Sarabun", "Noto Sans Thai", system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

.ed-app {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100vh;
}

.ed-sidebar {
  background: var(--ed-panel);
  border-right: 1px solid var(--ed-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ed-sidebar-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ed-border);
}

.ed-title {
  font-size: 15px;
  font-weight: 500;
  margin: 0 0 8px;
}

.ed-meta {
  font-size: 11px;
  color: var(--ed-muted);
}

.ed-toolbar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ed-border);
  background: var(--ed-bg-secondary);
}

.ed-search {
  padding: 6px 10px;
  border: 1px solid var(--ed-border);
  border-radius: 5px;
  font-size: 12.5px;
  width: 100%;
  font-family: inherit;
}

.ed-scene-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

.ed-scene-item {
  padding: 8px 16px;
  cursor: pointer;
  border-left: 3px solid transparent;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.ed-scene-item:hover { background: var(--ed-bg-secondary); }

.ed-scene-item.selected {
  background: rgba(216, 90, 48, 0.1);
  border-left-color: var(--ed-accent);
  font-weight: 500;
}

.ed-scene-id {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ed-scene-badge {
  font-size: 10px;
  background: var(--ed-bg-secondary);
  color: var(--ed-muted);
  padding: 2px 6px;
  border-radius: 3px;
}

.ed-scene-badge.choice { background: rgba(216, 90, 48, 0.15); color: var(--ed-accent-hover); }
.ed-scene-badge.end { background: rgba(163, 45, 45, 0.15); color: var(--ed-danger); }

.ed-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ed-main-header {
  background: var(--ed-panel);
  border-bottom: 1px solid var(--ed-border);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ed-main-title {
  font-size: 13px;
  font-weight: 500;
  margin-right: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.ed-editor {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  background: var(--ed-panel);
}

.ed-form-group {
  margin-bottom: 14px;
}

.ed-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ed-muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ed-input, .ed-select, .ed-textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--ed-border);
  border-radius: 5px;
  font-size: 13px;
  font-family: inherit;
  background: var(--ed-panel);
  color: var(--ed-text);
}

.ed-input:focus, .ed-select:focus, .ed-textarea:focus {
  outline: 2px solid var(--ed-accent);
  outline-offset: -1px;
  border-color: var(--ed-accent);
}

.ed-textarea { resize: vertical; min-height: 80px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }

.ed-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.ed-btn {
  background: var(--ed-panel);
  border: 1px solid var(--ed-border);
  color: var(--ed-text);
  padding: 6px 12px;
  border-radius: 5px;
  font-size: 12.5px;
  cursor: pointer;
  font-family: inherit;
}

.ed-btn:hover { background: var(--ed-bg-secondary); }

.ed-btn.primary {
  background: var(--ed-accent);
  border-color: var(--ed-accent);
  color: white;
}

.ed-btn.primary:hover { background: var(--ed-accent-hover); }

.ed-btn.danger {
  color: var(--ed-danger);
  border-color: rgba(163, 45, 45, 0.4);
}

.ed-btn.danger:hover { background: rgba(163, 45, 45, 0.1); }

.ed-lines-list { display: flex; flex-direction: column; gap: 6px; }

.ed-line-row {
  display: grid;
  grid-template-columns: 30px 1fr 32px;
  gap: 6px;
  align-items: start;
}

.ed-line-num {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: var(--ed-muted);
  padding-top: 8px;
  text-align: right;
}

.ed-choice-block {
  background: var(--ed-bg-secondary);
  border: 1px solid var(--ed-border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 8px;
}

.ed-flags-row {
  display: grid;
  grid-template-columns: 1fr 1fr 32px;
  gap: 6px;
  margin-bottom: 4px;
  align-items: center;
}

.ed-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 18px 0 10px;
  padding-top: 10px;
  border-top: 1px solid var(--ed-border);
}

.ed-section-title {
  font-size: 13px;
  font-weight: 500;
  margin: 0;
  color: var(--ed-text);
}

.ed-warning {
  background: rgba(186, 117, 23, 0.1);
  border-left: 3px solid var(--ed-warning);
  padding: 8px 12px;
  border-radius: 0 4px 4px 0;
  font-size: 12px;
  color: var(--ed-warning);
  margin-top: 4px;
}

.ed-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--ed-muted);
}

.ed-empty h2 { margin: 0 0 8px; font-weight: 500; font-size: 16px; }

.ed-status-bar {
  background: var(--ed-bg-secondary);
  border-top: 1px solid var(--ed-border);
  padding: 6px 16px;
  font-size: 11px;
  color: var(--ed-muted);
  display: flex;
  justify-content: space-between;
}

.ed-status-bar.dirty { background: rgba(186, 117, 23, 0.15); color: var(--ed-warning); }

@media (max-width: 800px) {
  .ed-app { grid-template-columns: 1fr; height: auto; }
  .ed-sidebar { border-right: none; border-bottom: 1px solid var(--ed-border); max-height: 40vh; }
}