:root {
  --bg: #eef4fd;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --surface-strong: #e7f0ff;
  --line: #d7e5f7;
  --text: #1d2430;
  --muted: #697489;
  --primary: #2363ef;
  --primary-strong: #184ec2;
  --green-bg: #def5e6;
  --green-text: #1f7a33;
  --gray-bg: #eceff5;
  --gray-text: #677185;
  --danger: #d94a5c;
  --shadow: 0 18px 48px rgba(31, 70, 145, 0.08);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --sidebar-width: 560px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body.is-resizing {
  cursor: col-resize;
  user-select: none;
}

button, input, textarea, select { font: inherit; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.topbar h1 { margin: 0; font-size: 28px; }
.topbar p { margin: 6px 0 0; color: var(--muted); }
.section-switcher {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.section-pill {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
  background: #eef3fb;
  color: var(--primary-strong);
  font-weight: 700;
}

.section-pill.active {
  background: var(--primary);
  color: #fff;
}

.topbar-actions,
.top-actions,
.module-tabs,
.list-toolbar,
.inline-actions,
.toolbar-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(280px, var(--sidebar-width)) 8px minmax(0, 1fr);
  gap: 0;
  padding: 20px;
}

.workspace.dialogue-mode {
  grid-template-columns: minmax(0, 1fr);
}

.workspace.dialogue-mode .sidebar,
.workspace.dialogue-mode .sidebar-resizer {
  display: none;
}

.workspace.members-mode {
  grid-template-columns: minmax(0, 1fr);
}

.workspace.members-mode .sidebar,
.workspace.members-mode .sidebar-resizer {
  display: none;
}

.workspace.standalone-mode {
  grid-template-columns: minmax(0, 1fr);
}

.workspace.standalone-mode .sidebar,
.workspace.standalone-mode .sidebar-resizer {
  display: none;
}

.workspace.members-mode .section-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.workspace.members-mode .section-header .inline-actions {
  margin-top: 2px;
}

.workspace.members-mode .list-card {
  margin-top: 2px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  min-height: calc(100vh - 126px);
  min-width: 0;
}

.sidebar,
.editor {
  padding: 18px;
}

#editorView {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-header {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 12px;
}

.panel-header h2,
.section-header h2,
.chips-section h3 {
  margin: 0;
  font-size: 24px;
}

.panel-header p,
.section-header p,
.hint {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.sidebar-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.search-wrap input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px 14px;
}

.tree-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.tree-summary span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef3fb;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.dialogue-language-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.dialogue-language-chip {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: #eef3fb;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.dialogue-language-chip.active {
  background: var(--primary);
  color: #fff;
}

.tree {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 12px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  max-height: calc(100vh - 280px);
  overflow: auto;
}

.tree-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  border: 0;
  border-radius: 12px;
  background: #fff;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  gap: 10px;
}

.tree-row.active { background: var(--surface-strong); }

.tree-main,
.tree-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.tree-main { flex: 1; }

.tree-toggle {
  width: 14px;
  text-align: center;
  color: var(--muted);
  flex: 0 0 14px;
}

.tree-label {
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-count {
  min-width: 18px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.status-pill, .pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.status-visible, .pill-visible { background: var(--green-bg); color: var(--green-text); }
.status-hidden, .pill-hidden { background: var(--gray-bg); color: var(--gray-text); }

.primary, .ghost, .soft, .danger, .module-tab {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
}

.primary { background: var(--primary); color: #fff; }
.ghost { background: #eef3fb; color: var(--primary-strong); }
.soft, .module-tab { background: #f0f4fa; color: var(--text); }
.danger { background: #ffe6ea; color: var(--danger); }
.module-tab.active { background: var(--primary); color: #fff; }

.sidebar-resizer {
  width: 8px;
  cursor: col-resize;
  margin: 0 8px;
  border-radius: 999px;
  background: transparent;
}

.sidebar-resizer:hover {
  background: rgba(35, 99, 239, 0.12);
}

.form-card, .list-card {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.list-card { padding: 0; overflow: hidden; }
.form-stack { display: flex; flex-direction: column; gap: 16px; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.compact-grid { margin-top: 0; }

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field.hidden {
  display: none;
}

.field.full, .full-row { grid-column: 1 / -1; }

.field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px 14px;
}

.field textarea { min-height: 124px; resize: vertical; }

.icon-select-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-select-row select {
  flex: 1;
}

.class-icon-preview {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: var(--surface-strong);
  border: 1px solid #c8dcff;
  border-radius: 16px;
}

.class-icon-preview svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.field-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.voice-picker-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.voice-picker-row select {
  flex: 1;
}

.compact-button {
  padding: 10px 14px;
  white-space: nowrap;
  flex: 0 0 auto;
}

.sample-audio-player {
  width: 100%;
  margin-top: 10px;
}


.iframe-input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.iframe-input-row input {
  flex: 1;
}

.list-header, .list-row {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.8fr 0.8fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
}

.list-header {
  background: #edf4ff;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.list-row + .list-row { border-top: 1px solid var(--line); }

.member-list-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: #f8fbff;
}

.member-search {
  display: flex;
  flex: 1;
  max-width: 520px;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.member-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--text);
  background: #fff;
  font-size: 14px;
}

.member-selection-summary {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.member-table-scroll {
  overflow-x: auto;
}

.member-bulk-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border-top: 1px solid var(--line);
  background: linear-gradient(135deg, #f8fbff, #eef5ff);
}

.member-bulk-panel strong {
  display: block;
  margin-bottom: 4px;
}

.member-bulk-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.member-bulk-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.member-bulk-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.member-bulk-grid label.full {
  grid-column: 1 / -1;
}

.member-bulk-grid input,
.member-bulk-grid select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  background: #fff;
}

.member-list-header,
.member-list-row {
  grid-template-columns: 44px minmax(300px, 1.8fr) 140px 180px 120px;
  min-width: 780px;
}

.member-list-row {
  cursor: pointer;
  width: 100%;
  border: 0;
  background: #fff;
  color: inherit;
  text-align: left;
  transition: background 0.16s ease, box-shadow 0.16s ease;
}

.member-list-row:hover {
  background: #f8fbff;
}

.member-list-row.active {
  background: #eef4ff;
  box-shadow: inset 3px 0 0 var(--primary);
}

.member-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
}

.member-check input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.member-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.member-name strong {
  font-size: 14px;
  color: var(--text);
}

.member-name span,
.member-meta {
  color: var(--muted);
  font-size: 13px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member-two-column {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 16px;
}

.plan-list-card,
.plan-detail-card {
  padding: 0;
  overflow: hidden;
}

.plan-list-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
}

.plan-list-body {
  display: flex;
  flex-direction: column;
}

.plan-list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border: 0;
  border-top: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  text-align: left;
  transition: background 0.16s ease, box-shadow 0.16s ease;
}

.plan-list-row:hover {
  background: #f8fbff;
}

.plan-list-row.active {
  background: #eef4ff;
  box-shadow: inset 3px 0 0 var(--primary);
}

.plan-list-main {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.plan-list-main strong {
  color: var(--text);
  font-size: 14px;
}

.plan-list-main span {
  color: var(--muted);
  font-size: 13px;
}

.plan-detail-body {
  padding: 20px 22px 22px;
}

.plans-manager-header {
  margin-bottom: 24px;
}

.plans-manager-header .inline-actions {
  margin-top: 6px;
}

.section-header.compact {
  padding: 20px 22px 0;
}

.plan-detail-card h3 {
  margin: 0;
  font-size: 20px;
}

.billing-editor-toggle {
  display: inline-flex;
  gap: 8px;
  padding: 4px;
  background: #f2f6fd;
  border: 1px solid #d8e3f2;
  border-radius: 999px;
}

.billing-editor-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
}

.billing-editor-button.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 6px 14px rgba(10, 35, 66, 0.08);
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

@media (max-width: 1100px) {
  .member-two-column {
    grid-template-columns: 1fr;
  }
}
.upload-bar, .chat-stack { display: flex; flex-direction: column; gap: 12px; }
.upload-meta { color: var(--muted); font-size: 13px; }
.upload-bar .voice-picker-row { justify-content: flex-start; }
.scenario-test-field { margin-bottom: 14px; }
.scenario-test-actions { margin-top: 8px; margin-bottom: 18px; }
.scenario-finished-banner {
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid #93c5fd;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #1e3a8a;
  border-radius: 14px;
  font-weight: 700;
}

.chips-section { margin-top: 16px; }

.chip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.module-chip, .chat-row {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 14px;
}

.module-chip {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 700;
}

.module-chip span { color: var(--muted); font-size: 13px; font-weight: 400; }
.chat-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.chat-row strong { display: block; margin-bottom: 8px; }
.chat-row p { margin: 0; white-space: pre-wrap; }
.scenario-play-button { margin-left: auto; }
.scenario-play-button.is-playing,
.primary.is-busy {
  background: #93c5fd;
  color: #0f172a;
}
.primary:disabled,
.soft:disabled,
.ghost:disabled,
.danger:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}
.empty { color: var(--muted); font-style: italic; }
.tree-empty { margin: 4px 0; }

@media (max-width: 1240px) {
  .workspace {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .sidebar-resizer {
    display: none;
  }

  .panel {
    min-height: auto;
  }

  .tree {
    max-height: 420px;
  }

  .field-grid,
  .chip-grid,
  .member-bulk-grid {
    grid-template-columns: 1fr;
  }

  .voice-picker-row,
  .iframe-input-row {
    flex-direction: column;
    align-items: stretch;
  }
}