/*
   styles.css's :root variables are accessible.
*/

/*=============================================
  MODAL CONTAINER & LAYOUT
=============================================*/
.file-explorer-modal-container {
    position: fixed;
    top: var(--changelog-margin, 1.5rem);
    left: var(--changelog-margin, 1.5rem);
    right: var(--changelog-margin, 1.5rem);
    bottom: var(--changelog-margin, 1.5rem);
    background-color: rgba(var(--bg-secondary-rgb), 0.75);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border-radius: var(--border-radius);
    border: 1px solid rgba(var(--text-primary-rgb), 0.1);
    z-index: 2000;
    display: none;
    flex-direction: column;
    box-shadow: 0 10px 40px 0 rgba(var(--bg-primary-rgb), 0.5);
    color: var(--text-primary);
    overflow: hidden;
}

.file-explorer-modal-container.active {
    display: flex;
}

/*=============================================
  CLOSE BUTTON
=============================================*/
.file-explorer-close-btn {
    position: absolute;
    top: var(--element-gap);
    right: var(--element-gap);
    background: rgba(var(--bg-element), 0.7);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.2rem;
    font-weight: 900;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-main);
    z-index: 2001;
    line-height: 1;
}

.file-explorer-close-btn:hover,
.file-explorer-close-btn:focus-visible {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: scale(1.1) rotate(90deg);
    box-shadow: var(--shadow-glow-accent);
}

/*=============================================
  HEADER SECTION
=============================================*/
.file-explorer-header {
    padding: var(--main-padding);
    padding-bottom: var(--element-gap);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.file-explorer-header h2 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--element-gap);
}

.fe-repo-input-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.fe-repo-input-container input[type="text"] {
    background-color: rgba(var(--bg-element), 0.9);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 0.8rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition-main);
    font-size: 0.9rem;
    flex-grow: 1;
    min-width: 150px;
    cursor: text;
}

.fe-repo-input-container input[type="text"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.fe-repo-input-container input[type="text"]:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(var(--accent-primary-rgb), 0.3), var(--shadow-glow-accent);
    outline: none;
}

.fe-repo-input-container span {
    color: var(--text-secondary);
}

.fe-repo-input-container button,
.fe-icon-button {
    padding: 0.6rem 1rem;
    background-color: var(--accent-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-main);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    font-size: 0.9rem;
}

.fe-repo-input-container button:hover,
.fe-icon-button:hover {
    background-color: color-mix(in srgb, var(--accent-primary) 85%, white);
    box-shadow: var(--shadow-glow-accent);
}

.fe-repo-input-container button:active,
.fe-icon-button:active {
    transform: translateY(1px);
}

.fe-icon-button {
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-interactive);
    min-width: 36px;
    height: 36px;
}

.fe-icon-button i {
    font-size: 1em;
}

/*=============================================
  MAIN CONTENT AREA
=============================================*/
.file-explorer-main-content {
    flex-grow: 1;
    padding: var(--element-gap);
    display: flex;
    flex-direction: column;
    gap: var(--element-gap);
    overflow-y: auto;
    min-height: 0;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.fe-content-area-body {
    display: flex;
    flex-direction: row;
    gap: var(--element-gap);
    flex-grow: 1;
    min-height: 0;
    width: 100%;
}

.fe-file-listing-container {
    flex: 1 1 0;
    max-width: 100%;
    transition: max-width 0.2s;
}

.fe-file-preview-container {
    display: none;
    flex: 1 1 0;
    max-width: 50%;
    margin-left: var(--element-gap);
    flex-direction: column;
    min-width: 0;
}

.fe-file-preview-container.active {
    display: flex !important;
}

.fe-file-preview-container.active ~ .fe-file-listing-container,
.fe-file-listing-container.preview-open {
    max-width: 50%;
}

/*=============================================
  CONTENT AREA HEADER
=============================================*/
.fe-content-area-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    border-bottom: 1px solid rgba(var(--border-color), 0.5);
    background-color: rgba(var(--bg-primary-rgb), 0.3);
    border-radius: var(--border-radius-small);
    flex-shrink: 0;
}

.fe-breadcrumbs {
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-grow: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 0.5rem;
}

.fe-breadcrumbs a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: var(--transition-main);
    cursor: pointer;
}

.fe-breadcrumbs a:hover {
    text-decoration: underline;
    color: color-mix(in srgb, var(--accent-secondary) 80%, white);
}

.fe-breadcrumbs span {
    margin: 0 0.3em;
}

/*=============================================
  FILE LISTING CONTAINER
=============================================*/
.fe-file-listing-container {
    flex-grow: 1;
    overflow-y: auto;
    background-color: rgba(var(--bg-primary-rgb), 0.3);
    padding: var(--element-gap);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--border-color);
    min-height: 150px;
}

.fe-placeholder-text {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 2rem 1rem;
}

/*=============================================
  FILE/FOLDER LIST ITEM STYLING
=============================================*/
.fe-list-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 0.8rem;
    margin-bottom: 0.3rem;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: background-color var(--transition-duration) var(--transition-timing), color var(--transition-duration) var(--transition-timing), border-color var(--transition-duration) var(--transition-timing);
    gap: 0.75rem;
    background-color: rgba(var(--bg-element), 0.5);
    border: 1px solid transparent;
}

.fe-list-item:last-child {
    margin-bottom: 0;
}

.fe-list-item:hover {
    background-color: rgba(var(--bg-interactive-rgb), 0.5);
    border-color: var(--accent-primary);
}

.fe-list-item.selected {
    background-color: rgba(var(--accent-primary-rgb), 0.3);
    color: var(--accent-primary);
    font-weight: 500;
    border-color: var(--accent-primary);
}

.fe-list-item.selected .fe-item-icon {
    color: var(--accent-primary);
}

.fe-item-icon {
    font-size: 1.1em;
    width: 20px;
    text-align: center;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.fe-item-icon.folder-icon {
    color: var(--accent-secondary);
}

.fe-list-item-name {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fe-import-model-btn {
    margin-left: auto;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--border-radius-small);
    color: var(--text-primary);
    background-color: var(--accent-secondary);
    white-space: nowrap;
    border: none;
    cursor: pointer;
    transition: var(--transition-main);
}
.fe-import-model-btn i {
    margin-right: 0.4em;
}

.fe-import-model-btn:hover {
    background-color: color-mix(in srgb, var(--accent-secondary) 85%, white);
    box-shadow: var(--shadow-glow-accent-secondary);
}

/*=============================================
  FILE PREVIEW SECTION
=============================================*/
.fe-file-preview-container {
    padding: var(--element-gap);
    background-color: rgba(var(--bg-element), 0.8);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--border-color);
    min-height: 150px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    height: 100%;
}

.fe-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

#fePreviewFileName {
    color: var(--accent-primary);
    flex-grow: 1;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fe-close-btn {
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.25rem;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
}

.fe-close-btn:hover {
    color: var(--text-primary);
    background-color: rgba(var(--bg-interactive-rgb), 0.5);
}

.fe-preview-content {
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.fe-preview-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-small);
    display: block;
    margin: 0 auto;
    background-color: rgba(var(--bg-primary-rgb), 0.5);
    padding: 0.5rem;
    border: 1px solid var(--border-color);
}

.fe-preview-content pre {
    background-color: rgba(var(--bg-primary-rgb), 0.9);
    color: var(--text-secondary);
    padding: var(--element-gap);
    border-radius: var(--border-radius-small);
    white-space: pre-wrap;
    word-break: break-all;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 0.85em;
    border: 1px solid var(--border-color);
}

.fe-preview-actions {
    margin-top: var(--element-gap);
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.fe-preview-actions .fe-open-link,
.fe-preview-actions .fe-import-model-btn-preview {
    padding: 0.5rem 0.8rem;
    font-size: 0.9em;
    background-color: var(--accent-primary);
    color: var(--text-primary);
    border-radius: var(--border-radius-small);
    text-decoration: none;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: var(--transition-main);
}

.fe-preview-actions .fe-open-link:hover,
.fe-preview-actions .fe-import-model-btn-preview:hover {
    background-color: color-mix(in srgb, var(--accent-primary) 85%, white);
    box-shadow: var(--shadow-glow-accent);
}

.fe-preview-actions .fe-import-model-btn-preview {
    background-color: var(--accent-secondary);
}
.fe-preview-actions .fe-import-model-btn-preview i {
    margin-right: 0.4em;
}

.fe-preview-actions .fe-import-model-btn-preview:hover {
    background-color: color-mix(in srgb, var(--accent-secondary) 85%, white);
    box-shadow: var(--shadow-glow-accent-secondary);
}

/*=============================================
  FOOTER SECTION
=============================================*/
.file-explorer-footer {
    padding: calc(var(--element-gap) / 2) var(--main-padding);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/*=============================================
  SCROLLBAR STYLING
=============================================*/
.scrollable::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.scrollable::-webkit-scrollbar-track {
    background: rgba(var(--bg-element), 0.5);
    border-radius: 10px;
}

.scrollable::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 10px;
}

.scrollable::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent-primary) 85%, white), color-mix(in srgb, var(--accent-secondary) 85%, white));
}

/*=============================================
  LOADER & MESSAGES
=============================================*/
.fe-loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(var(--bg-secondary-rgb), 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: var(--text-primary);
    border-radius: var(--border-radius);
}

.fe-error-message {
    color: var(--error-color);
    background-color: rgba(var(--error-color-rgb), 0.1);
    border: 1px solid var(--error-color);
    padding: 0.75rem;
    border-radius: var(--border-radius-small);
    margin-top: 0.5rem;
}

#feStatusMessage.fe-status-error {
    color: var(--error-color);
    font-weight: 500;
}
#feStatusMessage.fe-status-success {
    color: var(--success-color);
    font-weight: 500;
}

/*=============================================
  SHARED ICON BUTTON STYLE
=============================================*/
.header-icon-button {
    background-color: var(--bg-element);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    padding: 0.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-main);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    line-height: 1;
}

.header-icon-button:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow-accent);
}

.header-icon-button:focus-visible {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.4);
}

/*=============================================
  RESPONSIVE STYLES
=============================================*/
@media (max-width: 768px) {
    .file-explorer-modal-container {
        top: 0.5rem;
        left: 0.5rem;
        right: 0.5rem;
        bottom: 0.5rem;
    }

    .file-explorer-header h2 {
        font-size: 1.3rem;
    }

    .fe-repo-input-container input[type="text"] {
        font-size: 0.85rem;
        padding: 0.5rem 0.7rem;
        min-width: 120px;
    }

    .fe-repo-input-container button,
    .fe-icon-button {
        font-size: 0.85rem;
        padding: 0.5rem 0.8rem;
    }
    .fe-icon-button {
        padding: 0.5rem;
    }

    .fe-file-preview-container {
        max-height: 30vh;
    }

    .fe-list-item {
        padding: 0.5rem 0.6rem;
        gap: 0.5rem;
    }

    .fe-import-model-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }

    .file-explorer-main-content {
        flex-direction: column;
    }
    .fe-content-area-body {
        flex-direction: column;
    }
    .fe-file-listing-container,
    .fe-file-preview-container {
        max-width: 100% !important;
        margin-left: 0 !important;
        flex: 1 1 0;
    }
    .fe-file-preview-container {
        margin-top: var(--element-gap);
    }
    .fe-file-preview-container.active {
        display: flex !important;
        margin-top: var(--element-gap);
    }
    .fe-file-listing-container.preview-open {
        max-width: 100% !important;
    }
}