/* style.css - Core layout */

:root {
  --bg: #1a1a2e;
  --bg-surface: #16213e;
  --bg-card: #0f3460;
  --text: #e0e0e0;
  --text-muted: #8899aa;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --border: #2a2a4a;
  --gutter-color: #ffffff;
  --panel-bg: #ffffff;
  --panel-border: #1a1a1a;
  --page-shadow: 0 4px 20px rgba(0,0,0,0.4);

  --sidebar-width: 220px;
  --editor-width: 320px;
  --header-height: 56px;
  --toolbar-height: 44px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  font-family: 'Noto Sans JP', 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

/* --- App Shell --- */

.app {
  display: grid;
  grid-template-rows: var(--header-height) var(--toolbar-height) 1fr;
  grid-template-columns: var(--sidebar-width) 1fr var(--editor-width);
  grid-template-areas:
    "header header header"
    "toolbar toolbar toolbar"
    "sidebar canvas editor";
  height: 100vh;
}

/* --- Header --- */

.header {
  grid-area: header;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
}

.header__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.header__episode-info {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 1;
}

.header__episode-info input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 4px 8px;
  font-size: 13px;
}

.header__episode-info input:focus {
  outline: none;
  border-color: var(--accent);
}

.header__episode-info input.ep-num { width: 48px; text-align: center; }
.header__episode-info input.ep-title { width: 180px; }
.header__episode-info input.ep-arc { width: 140px; }

.header__actions {
  display: flex;
  gap: 8px;
}

/* --- Toolbar --- */

.toolbar {
  grid-area: toolbar;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  font-size: 12px;
}

.toolbar__group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  border-right: 1px solid var(--border);
}

.toolbar__group:last-child { border-right: none; }

.toolbar__label {
  color: var(--text-muted);
  font-size: 11px;
  white-space: nowrap;
}

/* --- Sidebar (Page List) --- */

.sidebar {
  grid-area: sidebar;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 8px;
}

.sidebar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 4px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.sidebar__header h3 {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-thumb {
  position: relative;
  background: var(--panel-bg);
  border: 2px solid transparent;
  border-radius: 4px;
  margin-bottom: 6px;
  padding: 4px;
  cursor: pointer;
  aspect-ratio: 182 / 257;
  overflow: hidden;
  transition: border-color 0.15s;
}

.page-thumb:hover { border-color: var(--text-muted); }
.page-thumb.active { border-color: var(--accent); }

.page-thumb__number {
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #333;
}

.page-thumb__role {
  position: absolute;
  bottom: 2px;
  left: 4px;
  right: 4px;
  font-size: 8px;
  color: #666;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-thumb__panels {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.page-thumb__tier {
  display: flex;
  gap: 1px;
  flex: 1;
}

.page-thumb__panel {
  flex: 1;
  background: #f0f0f0;
  border: 0.5px solid #999;
  border-radius: 1px;
}

/* --- Main Canvas Area --- */

.canvas-area {
  grid-area: canvas;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg);
}

.page-view {
  background: var(--panel-bg);
  box-shadow: var(--page-shadow);
  position: relative;
  flex-shrink: 0;
}

.page-view__inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: var(--gutter);
  gap: var(--gutter);
}

.page-view__tier {
  display: flex;
  flex: 1;
  gap: var(--gutter);
}

.page-view__panel {
  position: relative;
  flex: 1;
  border: var(--border-width) solid var(--panel-border);
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  transition: box-shadow 0.15s;
  display: flex;
  flex-direction: column;
}

.page-view__panel:hover {
  box-shadow: 0 0 0 2px var(--accent);
}

.page-view__panel.selected {
  box-shadow: 0 0 0 3px var(--accent);
}

.page-view__panel.span-2 { flex: 2; }
.page-view__panel.span-half { flex: 0.5; }

/* Panel content layers */
.panel__description {
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  font-size: 9px;
  color: #999;
  line-height: 1.3;
  pointer-events: none;
}

.panel__character {
  position: absolute;
  top: 2px;
  right: 4px;
  font-size: 8px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 2px;
  color: #fff;
  pointer-events: none;
}

.panel__expression {
  position: absolute;
  bottom: 2px;
  left: 4px;
  font-size: 8px;
  color: #aaa;
  font-style: italic;
  pointer-events: none;
}

.panel__direction {
  position: absolute;
  bottom: 2px;
  right: 4px;
  font-size: 8px;
  color: #c0a040;
  pointer-events: none;
}

.panel__dialogues {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  gap: 8px;
  padding: 20px 8px 16px;
  flex-direction: row-reverse; /* Right-to-left for manga reading order */
}

.panel__type-badge {
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: 7px;
  text-transform: uppercase;
  color: #bbb;
  letter-spacing: 0.05em;
  pointer-events: none;
}

/* --- Editor Panel (Right Sidebar) --- */

.editor {
  grid-area: editor;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
}

.editor__section {
  margin-bottom: 16px;
}

.editor__section h3 {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.editor__field {
  margin-bottom: 10px;
}

.editor__field label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.editor__field input,
.editor__field textarea,
.editor__field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 6px 8px;
  font-size: 13px;
  font-family: inherit;
}

.editor__field textarea {
  resize: vertical;
  min-height: 48px;
}

.editor__field input:focus,
.editor__field textarea:focus,
.editor__field select:focus {
  outline: none;
  border-color: var(--accent);
}

.editor__empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 16px;
  font-size: 13px;
}

/* Dialogue list in editor */
.dialogue-entry {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 8px;
  position: relative;
}

.dialogue-entry__header {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
  align-items: center;
}

.dialogue-entry__header input {
  flex: 1;
}

.dialogue-entry__header select {
  width: 80px;
}

.dialogue-entry textarea {
  width: 100%;
  min-height: 60px;
}

.dialogue-entry__remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.dialogue-entry__remove:hover { color: var(--accent); }

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-surface);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.btn:hover { background: var(--bg-card); border-color: var(--text-muted); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.btn--small {
  padding: 3px 8px;
  font-size: 11px;
}

.btn--icon {
  padding: 4px 6px;
  font-size: 16px;
  line-height: 1;
}

/* --- Scrollbar --- */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- Character Library Panel --- */

.char-library {
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.char-library__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.char-library__toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 4px 0;
}

.char-library__toggle:hover {
  color: var(--text);
}

.char-library__count {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg);
  border-radius: 8px;
  padding: 1px 6px;
}

.char-library__list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 260px;
  overflow-y: auto;
}

.char-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  border-left: 3px solid transparent;
  background: var(--bg);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.char-chip:hover {
  background: var(--bg-card);
}

.char-chip--active {
  background: var(--bg-card);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.char-chip__avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.char-chip__info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.char-chip__name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.char-chip__role {
  font-size: 9px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.char-chip__color-badge {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Character Autocomplete --- */

.char-autocomplete-wrap {
  position: relative;
}

.char-autocomplete {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
}

.char-autocomplete__item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  cursor: pointer;
  transition: background 0.1s;
}

.char-autocomplete__item:hover {
  background: var(--bg-card);
}

.char-autocomplete__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.char-autocomplete__nick {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
}

.char-autocomplete__role {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
}

/* --- Responsive --- */

@media (max-width: 1000px) {
  .app {
    grid-template-columns: 160px 1fr 0;
    grid-template-areas:
      "header header header"
      "toolbar toolbar toolbar"
      "sidebar canvas canvas";
  }
  .editor { display: none; }
  .header__episode-info { display: none; }
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-height) auto 1fr;
    grid-template-areas:
      "header"
      "toolbar"
      "canvas";
  }
  .sidebar { display: none; }
  .editor { display: none; }
  .header { padding: 0 8px; }
  .header__title { font-size: 14px; }
  .header__episode-info { display: none; }
  .toolbar { flex-wrap: wrap; padding: 4px 8px; gap: 4px; }
  .toolbar__group { padding: 0 4px; border-right: none; }
  .canvas-area { padding: 8px; }
}

/* Modal mobile */
@media (max-width: 768px) {
  .modal-overlay { align-items: flex-end; }
  .modal {
    min-width: auto;
    width: 100%;
    max-width: 100vw;
    max-height: 90vh;
    border-radius: 12px 12px 0 0;
    padding: 16px;
  }
  .modal h2 { font-size: 15px; }
  .modal .editor__field textarea { min-height: 80px; }
}

/* FTUE modal */
.modal ol { margin: 0; }
.modal ol li { margin-bottom: 2px; }