/* Document Splitter - Main Styles */

/* Main layout - 3-column structure */
.app-container {
    display: grid;
    grid-template-columns: 350px 350px 1fr;
    gap: 20px;
    padding: 20px;
    height: calc(100vh - 64px); /* Matches the height of unified nav */
}

/* Column styles */
.sidebar-column,
.settings-column,
.content-column {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 20px;
    overflow-y: auto; /* Enable scrolling for columns */
    scrollbar-width: thin; /* Thinner scrollbars */
    padding-right: 5px; /* Add some space for the scrollbar */
}

/* Settings panels: base styles are defined in utilities.css */

.settings-panel.statistics-panel {
    margin-top: 0;
}

/* Inherit flex behavior for panels inside content column from utilities.css */

/* header rules are defined in utilities.css */

.settings-content {
    padding: 15px;
    overflow-y: visible;
    flex: 1;
}

/* File list styles */
.files-container {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    height: auto;
    max-height: calc(100vh - 200px);
    flex: 1;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    min-height: 48px;
    transition: background-color 0.2s;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    cursor: pointer;
}

.file-item:hover {
    background-color: var(--color-surface-hover);
}

.file-item.selected {
    background-color: var(--color-brand-primary-15);
    position: relative;
}

.file-item.selected::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--color-brand-primary);
}

.file-item-name {
    font-size: 14px;
    color: var(--color-text-primary);
}

.file-size {
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* Settings styles */
.setting-group {
    margin-bottom: 18px;
}

.setting-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--color-text-primary);
}

.size-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: white;
    font-size: 14px;
    color: var(--color-text-primary);
    outline: none;
}

.size-select:focus {
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 2px rgba(213, 0, 50, 0.1);
}

.encoding-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 5px;
}

.encoding-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.encoding-option input[type="radio"] {
    margin: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--color-brand-primary);
}

.encoding-option label {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.model-examples {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Chunk preview */
.chunk-preview-container {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--color-border);
    display: none; /* Hidden by default, shown by JS */
}

/* JS will add .active class to show it */
.chunk-preview-container.active {
    display: block;
}

.chunk-preview-container h4 {
    font-size: 14px;
    margin: 0 0 10px 0;
    color: var(--color-text-primary);
}

.chunk-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.chunk-preview-item {
    min-width: 36px;
    height: 25px;
    padding: 0 8px;
    background-color: white;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    border-radius: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* File info and stats */
.file-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 500;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 5px 0;
}

.stat-label {
    color: var(--color-text-secondary);
}

.stat-value {
    font-weight: 500;
}

/* Chunk list styles */
.chunk-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chunk-item {
    display: flex;
    flex-direction: column;
    padding: 10px;
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.chunk-header {
    display: flex;
    justify-content: space-between;
    padding-bottom: 8px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.chunk-file-name {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.chunk-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.view-chunk-btn, .download-chunk-btn {
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    text-align: center;
    flex: 1;
    text-decoration: none;
}

.view-chunk-btn {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.download-chunk-btn {
    background-color: var(--color-brand-primary-15);
    border: 1px solid var(--color-brand-primary);
    color: var(--color-brand-primary);
}

/* Empty state */
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-secondary);
    font-size: 14px;
    padding: 30px;
    text-align: center;
}

/* Content preview */
#contentPreview {
    font-family: monospace;
    white-space: pre-wrap;
    font-size: 13px;
    line-height: 1.5;
    overflow: auto;
}

.chunk-stats {
    display: flex;
    gap: 15px;
    padding: 10px 15px;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
}

/* App status */
#appStatus {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

#appStatus.ready {
    color: var(--color-status-info);
}

#appStatus.processing {
    color: var(--color-status-warning);
}

#appStatus.complete {
    color: var(--color-status-success);
}

#appStatus.error {
    color: var(--color-status-error);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 300px 300px 1fr;
    }
}

@media (max-width: 992px) {
    .app-container {
        grid-template-columns: 1fr;
        height: auto;
        gap: 12px;
    }

    .sidebar-column,
    .settings-column,
    .content-column {
        max-height: 80vh;
    }
}