/**
 * Concept Definition Mode Styles
 */

.definition-layout {
    display: grid;
    grid-template-columns: 240px 1fr 200px;
    gap: 1.5rem;
    padding: 1.5rem;
    min-height: calc(100vh - 200px);
}

.definition-sidebar {
    background: var(--paper-sand, #FDFBF7);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-light, #E5E7EB);
}

.definition-sidebar h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary, #6B7280);
    margin: 0 0 0.75rem 0;
}

.search-box {
    margin-bottom: 1rem;
}

.search-box input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-light, #E5E7EB);
    border-radius: 4px;
    font-size: 0.875rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--navigator-primary, #8B5CF6);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.view-toggle {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.view-toggle button {
    flex: 1;
    padding: 0.5rem;
    font-size: 0.75rem;
    background: white;
    border: 1px solid var(--border-light, #E5E7EB);
    cursor: pointer;
    transition: all 0.15s ease;
}

.view-toggle button:first-child {
    border-radius: 4px 0 0 4px;
}

.view-toggle button:last-child {
    border-radius: 0 4px 4px 0;
}

.view-toggle button.active {
    background: var(--navigator-primary, #8B5CF6);
    color: white;
    border-color: var(--navigator-primary, #8B5CF6);
}

.stats-section {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light, #E5E7EB);
}

.stats-list {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.25rem 0.5rem;
    margin: 0;
    font-size: 0.875rem;
}

.stats-list dt {
    color: var(--text-secondary, #6B7280);
}

.stats-list dd {
    margin: 0;
    font-weight: 600;
    text-align: right;
}

/* Main Content Area */
.definition-main {
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-light, #E5E7EB);
    padding: 1.5rem;
}

#definition-container {
    max-width: 700px;
    margin: 0 auto;
}

/* Card Navigation */
.card-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.nav-btn {
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--border-light, #E5E7EB);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.nav-btn:hover:not(:disabled) {
    background: var(--navigator-primary, #8B5CF6);
    color: white;
    border-color: var(--navigator-primary, #8B5CF6);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.card-counter {
    font-size: 0.875rem;
    color: var(--text-secondary, #6B7280);
}

/* Concept Card */
.concept-card-large {
    background: var(--paper-sand, #FDFBF7);
    border-radius: 12px;
    border: 1px solid var(--border-light, #E5E7EB);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-light, #E5E7EB);
    background: white;
}

.concept-term {
    font-family: var(--font-serif, 'Lora', serif);
    font-size: 1.75rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary, #1F2937);
}

.alt-labels {
    font-size: 0.875rem;
    color: var(--text-secondary, #6B7280);
    font-style: italic;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

.definition-section,
.scope-note-section,
.example-section {
    margin-bottom: 1.25rem;
}

.definition-section:last-child,
.scope-note-section:last-child,
.example-section:last-child {
    margin-bottom: 0;
}

.card-body h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--navigator-primary, #8B5CF6);
    margin: 0 0 0.5rem 0;
}

.definition-text {
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
    color: var(--text-primary, #1F2937);
}

.example-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
    padding: 0.75rem;
    background: white;
    border-radius: 4px;
    border-left: 3px solid var(--navigator-primary, #8B5CF6);
}

.card-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-light, #E5E7EB);
    background: white;
}

.relations {
    margin-bottom: 1rem;
}

.relation-group {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.relation-label {
    color: var(--text-secondary, #6B7280);
    margin-right: 0.25rem;
}

.relation-link {
    color: var(--navigator-primary, #8B5CF6);
    text-decoration: none;
}

.relation-link:hover {
    text-decoration: underline;
}

.uri {
    font-size: 0.75rem;
}

.uri-link {
    color: var(--text-tertiary, #9CA3AF);
    text-decoration: none;
    word-break: break-all;
}

.uri-link:hover {
    color: var(--navigator-primary, #8B5CF6);
}

/* Thumbnails */
.card-thumbnails {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.thumbnail {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    background: white;
    border: 1px solid var(--border-light, #E5E7EB);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.thumbnail:hover {
    border-color: var(--navigator-primary, #8B5CF6);
}

.thumbnail.active {
    background: var(--navigator-primary, #8B5CF6);
    color: white;
    border-color: var(--navigator-primary, #8B5CF6);
}

/* List View */
.definition-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.definition-item {
    padding: 1rem;
    background: var(--paper-sand, #FDFBF7);
    border-radius: 8px;
    border: 1px solid var(--border-light, #E5E7EB);
    cursor: pointer;
    transition: all 0.15s ease;
}

.definition-item:hover {
    border-color: var(--navigator-primary, #8B5CF6);
}

.definition-item.selected {
    border-color: var(--navigator-primary, #8B5CF6);
    background: rgba(139, 92, 246, 0.05);
}

.item-term {
    font-size: 1rem;
    margin: 0 0 0.25rem 0;
}

.item-definition {
    font-size: 0.875rem;
    color: var(--text-secondary, #6B7280);
    margin: 0;
    line-height: 1.5;
}

.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary, #6B7280);
}

/* Context Panel */
.definition-context {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.keyboard-hints {
    background: var(--paper-sand, #FDFBF7);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-light, #E5E7EB);
}

.keyboard-hints h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary, #6B7280);
    margin: 0 0 0.75rem 0;
}

.hint-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.25rem 0.5rem;
    margin: 0;
    font-size: 0.75rem;
}

.hint-list dt {
    font-family: var(--font-mono, monospace);
    background: white;
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    border: 1px solid var(--border-light, #E5E7EB);
}

.hint-list dd {
    margin: 0;
    color: var(--text-secondary, #6B7280);
    display: flex;
    align-items: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .definition-layout {
        grid-template-columns: 1fr;
    }

    .definition-sidebar,
    .definition-context {
        display: none;
    }
}