/* Main container for the world book UI */
.world-book-container {
  display: flex;
  flex-direction: column;
  height: 70vh; /* Taller modal for more content */
  padding: 0;
  box-sizing: border-box;
}

.current-book-selector {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-tertiary);
}

.world-book-view {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 1rem;
    box-sizing: border-box;
    gap: 1rem;
}

/* --- List View Styles --- */
.world-book-list {
  overflow-y: auto;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.world-book-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--border-tertiary);
  transition: background-color 0.2s ease;
}
.world-book-item:last-child {
    border-bottom: none;
}

.world-book-item:hover {
  background-color: var(--bg-tertiary);
}

.world-book-item .world-book-name {
    cursor: pointer;
    flex-grow: 1;
}

.world-book-item .world-book-name::before {
    content: '\f02d'; /* book icon */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-right: 1rem;
    color: var(--text-tertiary);
}

.world-book-item.active {
    background-color: var(--accent-blue-faded);
    font-weight: 600;
}

.world-book-item.active .world-book-name::before {
    color: var(--accent-blue);
}

.world-book-item .more-btn {
    width: 32px;
    height: 32px;
    background-color: transparent;
    color: var(--text-tertiary);
}
.world-book-item .more-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Danger color for settings menu items */
.settings-menu .danger {
    color: var(--accent-red);
}

.settings-menu .danger:hover {
    background-color: var(--accent-red-faded);
    color: var(--accent-red); /* Keep color on hover */
}

/* --- Editor View Styles --- */
#world-book-editor-view .form-group {
    margin-bottom: 0;
}

.world-book-entries {
  flex-grow: 1;
  overflow-y: auto;
  border: 1px solid var(--border-secondary);
  padding: 0.75rem;
  border-radius: 8px;
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.world-book-entries:empty::before {
    content: '点击 "添加条目" 开始创建';
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.world-book-entry {
  position: relative;
  border: 1px solid var(--border-tertiary);
  border-radius: 8px;
  background-color: var(--modal-content);
  display: flex;
  flex-direction: column;
  overflow: hidden; /* Clips the inputs to the rounded border */
}

.world-book-entry .form-group {
  display: block !important; /* Force block layout */
  width: 100% !important;   /* Ensure it takes full width */
  margin-bottom: 0; /* Remove space between items */
}

.world-book-entry .form-group:first-of-type {
    border-bottom: 1px solid var(--border-tertiary);
}

.world-book-entry input,
.world-book-entry textarea {
    border: none;
    background: transparent;
    border-radius: 0;
    width: 100%;
    padding: 0.85rem 1rem;
    box-sizing: border-box;
}

.world-book-entry input.entry-keyword {
    padding-right: 2.75rem; /* Space for the remove button */
}

.world-book-entry input:focus,
.world-book-entry textarea:focus {
    outline: none;
    box-shadow: none;
}

.world-book-entry textarea.entry-content {
  min-height: 80px;
  resize: vertical;
}

.world-book-entry-add {
  text-align: center;
  flex-shrink: 0;
}

.world-book-entry-add .modal-btn {
    width: 100%;
}

.world-book-entry .remove-entry-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 32px;
    height: 32px;
    z-index: 1;
}

/* --- Checkbox Styles for Multi-select --- */
.world-book-name-container {
    display: flex;
    align-items: center;
    flex-grow: 1;
    cursor: pointer;
}

.world-book-name-container input[type="checkbox"] {
    opacity: 0; /* Hide original checkbox */
    width: 0;
    height: 0;
    margin: 0;
}

.world-book-name-container label {
    position: relative;
    padding-left: 35px; /* Space for custom checkbox */
    cursor: pointer;
    flex-grow: 1;
    line-height: 24px; /* Vertically center text with checkbox */
}

/* Custom checkbox box */
.world-book-name-container label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--border-primary);
    border-radius: 6px;
    background-color: var(--bg-secondary);
    transition: background-color 0.2s, border-color 0.2s;
}

/* Checkmark */
.world-book-name-container label::after {
    content: '\f00c'; /* Font Awesome check icon */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 5px;
    top: 2px;
    font-size: 16px;
    color: var(--text-white);
    opacity: 0;
    transition: opacity 0.2s;
}

/* Hover state */
.world-book-name-container:hover label::before {
    border-color: var(--accent-blue);
}

/* Checked state */
.world-book-name-container input[type="checkbox"]:checked + label::before {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.world-book-name-container input[type="checkbox"]:checked + label::after {
    opacity: 1;
}

/* Dark Mode Styles for World Book */
body.dark-mode .world-book-item:hover {
  background-color: var(--bg-quaternary);
}

body.dark-mode .world-book-item {
  border-bottom-color: var(--border-primary);
}

body.dark-mode .world-book-item .world-book-name::before {
  color: var(--text-quaternary);
}

body.dark-mode .world-book-item.active {
  background-color: rgba(0, 122, 255, 0.15); /* --accent-blue with alpha */
}

body.dark-mode .world-book-item.active .world-book-name::before {
  color: var(--accent-blue);
}

body.dark-mode .world-book-item .more-btn:hover {
  background-color: var(--bg-quaternary);
  color: var(--text-primary);
}

body.dark-mode .settings-menu .danger:hover {
    background-color: rgba(255, 59, 48, 0.15); /* --accent-red with alpha */
}

body.dark-mode .world-book-entries {
  border-color: var(--border-primary);
  background-color: var(--bg-primary);
}

body.dark-mode .world-book-entries:empty::before {
    color: var(--text-quaternary);
}

body.dark-mode .world-book-entry {
  border-color: var(--border-primary);
  background-color: var(--bg-secondary);
}

body.dark-mode .world-book-entry .form-group:first-of-type {
    border-bottom-color: var(--border-primary);
}

body.dark-mode .world-book-name-container label::before {
    border-color: var(--border-secondary);
    background-color: var(--bg-tertiary);
}

body.dark-mode .world-book-name-container:hover label::before {
    border-color: var(--accent-blue);
}

body.dark-mode .world-book-name-container input[type="checkbox"]:checked + label::before {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

body.dark-mode .world-book-name-container input[type="checkbox"]:checked + label::after {
    color: #fff;
}