.gdfb-browser {
    --gdfb-accent: #1a73e8;
    --gdfb-border: #d9dce1;
    --gdfb-muted: #6b7280;
    --gdfb-surface: #ffffff;
    --gdfb-text: #202124;
    width: 100%;
    color: var(--gdfb-text);
    font-family: inherit;
}

.gdfb-browser *,
.gdfb-browser *::before,
.gdfb-browser *::after {
    box-sizing: border-box;
}

.gdfb-browser .screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gdfb-admin-notice {
    padding: 12px 16px;
    border-left: 4px solid #d63638;
    background: #fff;
}

.gdfb-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.gdfb-back,
.gdfb-crumb,
.gdfb-view-button,
.gdfb-preview-close,
.gdfb-item-button {
    appearance: none;
    border: 0;
    font: inherit;
}

.gdfb-back {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid var(--gdfb-border);
    border-radius: 7px;
    background: var(--gdfb-surface);
    color: var(--gdfb-text);
    cursor: pointer;
}

.gdfb-back:hover,
.gdfb-back:focus-visible {
    border-color: var(--gdfb-accent);
    color: var(--gdfb-accent);
}

.gdfb-breadcrumbs {
    display: flex;
    align-items: center;
    flex: 1 1 240px;
    min-width: 0;
    gap: 7px;
    overflow: hidden;
}

.gdfb-crumb {
    max-width: 220px;
    padding: 4px 0;
    overflow: hidden;
    background: transparent;
    color: var(--gdfb-accent);
    cursor: pointer;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gdfb-crumb:hover,
.gdfb-crumb:focus-visible {
    text-decoration: underline;
}

.gdfb-crumb.is-current {
    color: var(--gdfb-text);
    font-weight: 600;
    cursor: default;
}

.gdfb-crumb-separator {
    color: var(--gdfb-muted);
}

.gdfb-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.gdfb-search-wrap {
    display: block;
}

.gdfb-search {
    width: min(260px, 42vw);
    min-height: 42px;
    padding: 8px 12px;
    border: 1px solid var(--gdfb-border);
    border-radius: 8px;
    background: var(--gdfb-surface);
    color: var(--gdfb-text);
    font: inherit;
}

.gdfb-search:focus {
    border-color: var(--gdfb-accent);
    outline: 2px solid color-mix(in srgb, var(--gdfb-accent) 28%, transparent);
}

.gdfb-view-toggle {
    display: inline-flex;
    overflow: hidden;
    border: 1px solid var(--gdfb-border);
    border-radius: 8px;
    background: var(--gdfb-surface);
}

.gdfb-view-button {
    display: grid;
    width: 42px;
    height: 40px;
    place-items: center;
    background: transparent;
    color: var(--gdfb-muted);
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
}

.gdfb-view-button + .gdfb-view-button {
    border-left: 1px solid var(--gdfb-border);
}

.gdfb-view-button:hover,
.gdfb-view-button:focus-visible,
.gdfb-view-button.is-active {
    background: #f5f6f7;
    color: var(--gdfb-accent);
}

.gdfb-status {
    min-height: 0;
    margin: 0 0 10px;
}

.gdfb-status:empty {
    display: none;
}

.gdfb-status.is-error {
    padding: 12px 14px;
    border: 1px solid #f1b8b8;
    border-radius: 8px;
    background: #fff5f5;
    color: #9c1c1c;
}

.gdfb-status.is-loading {
    color: var(--gdfb-muted);
}

.gdfb-name-heading {
    display: flex;
    align-items: center;
    gap: 7px;
    min-height: 44px;
    margin-bottom: 12px;
    padding: 4px 16px;
    border-bottom: 1px solid #c9cdd2;
    font-size: 15px;
    font-weight: 500;
}

.gdfb-view-grid .gdfb-name-heading {
    display: none;
}

.gdfb-sort-direction {
    color: #5f6368;
    font-size: 18px;
    line-height: 1;
}

.gdfb-items,
.gdfb-all-items {
    width: 100%;
}

.gdfb-item {
    min-width: 0;
}

.gdfb-item-button {
    width: 100%;
    color: inherit;
    cursor: pointer;
}

.gdfb-item-content {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 5px;
}

.gdfb-item-name {
    display: block;
    width: 100%;
    overflow-wrap: anywhere;
    font-weight: 600;
    line-height: 1.35;
}

.gdfb-item-meta {
    color: var(--gdfb-muted);
    font-size: 0.84em;
    line-height: 1.35;
}

.gdfb-item-arrow {
    color: #747775;
    font-size: 20px;
}

/* Grid view */
.gdfb-view-grid .gdfb-all-items {
    display: grid;
    grid-template-columns: repeat(var(--gdfb-grid-columns, 5), minmax(0, 1fr));
    gap: 30px 28px;
    align-items: start;
    padding-top: 14px;
}

.gdfb-view-grid .gdfb-item-button {
    background: transparent;
    text-align: center;
}

.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-button {
    display: flex;
    min-height: 175px;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 0;
    border-radius: 6px;
    transition: transform 130ms ease, opacity 130ms ease;
}

.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-button:hover,
.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-button:focus-visible {
    transform: translateY(-2px);
    opacity: 0.86;
    outline: none;
}

.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-icon {
    display: block;
    width: min(160px, 100%);
    aspect-ratio: 160 / 125;
    flex: 0 0 auto;
}

.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-icon svg,
.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-content {
    width: 100%;
    padding: 0 4px;
}

.gdfb-view-grid .gdfb-item.is-folder .gdfb-item-name {
    display: -webkit-box;
    overflow: hidden;
    font-size: 16px;
    font-weight: 400;
    text-align: center;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.gdfb-view-grid .gdfb-item.is-file .gdfb-item-button {
    position: relative;
    display: flex;
    min-height: 175px;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border-radius: 6px;
    transition: transform 140ms ease, opacity 140ms ease;
}

.gdfb-view-grid .gdfb-item.is-file .gdfb-item-button:hover,
.gdfb-view-grid .gdfb-item.is-file .gdfb-item-button:focus-visible {
    transform: translateY(-2px);
    opacity: 0.88;
    outline: none;
}

.gdfb-thumbnail {
    position: relative;
    display: grid;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    place-items: center;
    background: #f5f6f7;
}

.gdfb-view-grid .gdfb-thumbnail {
    border: 1px solid #d6d9dd;
    border-radius: 2px;
    background: #fff;
}

.gdfb-thumbnail img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #fff;
}

.gdfb-thumbnail-fallback {
    display: inline-flex;
    width: 52px;
    height: 52px;
    color: var(--gdfb-accent);
}

.gdfb-thumbnail-fallback svg {
    width: 100%;
    height: 100%;
    fill: color-mix(in srgb, var(--gdfb-accent) 16%, white);
    stroke: currentColor;
    stroke-width: 1.3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.gdfb-thumbnail.has-image:not(.has-error) .gdfb-thumbnail-fallback {
    visibility: hidden;
}

.gdfb-thumbnail.has-error img {
    display: none;
}

.gdfb-view-grid .gdfb-item.is-file .gdfb-item-content {
    padding: 9px 4px 0;
}

.gdfb-view-grid .gdfb-item.is-file .gdfb-item-name {
    display: -webkit-box;
    overflow: hidden;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    text-align: center;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.gdfb-view-grid .gdfb-item.is-file .gdfb-item-meta,
.gdfb-view-grid .gdfb-item-arrow {
    display: none;
}

/* List view */
.gdfb-view-list .gdfb-all-items {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.gdfb-view-list .gdfb-item.is-folder .gdfb-item-button {
    display: flex;
    align-items: center;
    gap: 13px;
    min-height: 52px;
    padding: 9px 15px;
    border-radius: 3px;
    background: #ededed;
    text-align: left;
    transition: background-color 130ms ease, box-shadow 130ms ease;
}

.gdfb-view-list .gdfb-item.is-folder .gdfb-item-button:hover,
.gdfb-view-list .gdfb-item.is-folder .gdfb-item-button:focus-visible {
    background: #e4e4e4;
    box-shadow: inset 0 0 0 1px #d5d5d5;
    outline: none;
}

.gdfb-view-list .gdfb-item.is-folder .gdfb-item-icon {
    display: inline-flex;
    width: 30px;
    height: 24px;
    overflow: hidden;
    flex: 0 0 auto;
}

.gdfb-view-list .gdfb-item.is-folder .gdfb-item-icon svg,
.gdfb-view-list .gdfb-item.is-folder .gdfb-item-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gdfb-view-list .gdfb-item.is-folder .gdfb-item-content {
    flex: 1;
}

.gdfb-view-list .gdfb-item.is-folder .gdfb-item-name {
    font-size: 16px;
    font-weight: 500;
}

.gdfb-view-list .gdfb-item.is-file .gdfb-item-button {
    position: relative;
    display: flex;
    min-height: 82px;
    overflow: hidden;
    flex-direction: row;
    align-items: center;
    border: 1px solid var(--gdfb-border);
    border-radius: 4px;
    background: var(--gdfb-surface);
    text-align: left;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

.gdfb-view-list .gdfb-item.is-file .gdfb-item-button:hover,
.gdfb-view-list .gdfb-item.is-file .gdfb-item-button:focus-visible {
    border-color: #bfc4ca;
    box-shadow: 0 4px 12px rgba(32, 33, 36, 0.08);
    outline: none;
}

.gdfb-view-list .gdfb-thumbnail {
    width: 90px;
    height: 80px;
    aspect-ratio: auto;
    flex: 0 0 auto;
    border-right: 1px solid var(--gdfb-border);
}

.gdfb-view-list .gdfb-item.is-file .gdfb-item-content {
    flex: 1;
    padding: 10px 38px 10px 14px;
}

.gdfb-view-list .gdfb-item.is-file .gdfb-item-arrow {
    position: absolute;
    right: 14px;
}

.gdfb-empty {
    padding: 32px 20px;
    border: 1px dashed var(--gdfb-border);
    border-radius: 8px;
    color: var(--gdfb-muted);
    text-align: center;
}

.gdfb-skeleton-list {
    display: flex;
    width: 100%;
    flex-direction: column;
    gap: 11px;
}

.gdfb-skeleton-list span {
    display: block;
    min-height: 52px;
    border-radius: 3px;
    background: linear-gradient(90deg, #eeeeee 25%, #e2e2e2 37%, #eeeeee 63%);
    background-size: 400% 100%;
    animation: gdfb-skeleton 1.3s ease infinite;
}

@keyframes gdfb-skeleton {
    0% { background-position: 100% 0; }
    100% { background-position: 0 0; }
}

.gdfb-preview[hidden] {
    display: none;
}

.gdfb-preview {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: grid;
    padding: 24px;
    place-items: center;
}

.gdfb-preview-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 18, 28, 0.78);
}

.gdfb-preview-panel {
    position: relative;
    z-index: 1;
    display: flex;
    width: min(1100px, 96vw);
    height: min(860px, 92vh);
    overflow: hidden;
    flex-direction: column;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.gdfb-preview-header {
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 62px;
    padding: 12px 16px 12px 20px;
    border-bottom: 1px solid var(--gdfb-border);
}

.gdfb-preview-title {
    flex: 1;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    font-size: 18px;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gdfb-preview-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f1f3f4;
    color: var(--gdfb-text);
    cursor: pointer;
    font-size: 28px;
    line-height: 1;
}

.gdfb-preview-close:hover,
.gdfb-preview-close:focus-visible {
    background: #e8ecf0;
    outline: 2px solid var(--gdfb-accent);
}

.gdfb-preview-frame-wrap {
    flex: 1;
    min-height: 0;
    background: #eef1f4;
}

.gdfb-preview-frame {
    width: 100%;
    height: 100%;
    border: 0;
    background: #fff;
}

.gdfb-preview-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    min-height: 62px;
    padding: 10px 16px;
    border-top: 1px solid var(--gdfb-border);
}

.gdfb-preview-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid var(--gdfb-border);
    border-radius: 8px;
    color: var(--gdfb-text);
    text-decoration: none;
}

.gdfb-preview-actions a:hover,
.gdfb-preview-actions a:focus-visible {
    border-color: var(--gdfb-accent);
    color: var(--gdfb-accent);
}

body.gdfb-preview-open {
    overflow: hidden;
}

@media (max-width: 720px) {
    .gdfb-toolbar {
        align-items: stretch;
    }

    .gdfb-breadcrumbs {
        flex-basis: calc(100% - 90px);
    }

    .gdfb-toolbar-actions {
        width: 100%;
        margin-left: 0;
    }

    .gdfb-search-wrap {
        flex: 1;
    }

    .gdfb-search {
        width: 100%;
    }

    .gdfb-view-grid .gdfb-all-items {
        grid-template-columns: repeat(var(--gdfb-grid-columns-tablet, 3), minmax(0, 1fr));
        gap: 24px 16px;
    }

    .gdfb-preview {
        padding: 0;
    }

    .gdfb-preview-panel {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
    }

    .gdfb-preview-actions {
        justify-content: stretch;
    }

    .gdfb-preview-actions a {
        flex: 1;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .gdfb-view-grid .gdfb-all-items {
        grid-template-columns: repeat(var(--gdfb-grid-columns-mobile, 2), minmax(0, 1fr));
        gap: 22px 14px;
    }
}

@media (max-width: 430px) {
    .gdfb-name-heading {
        padding-right: 12px;
        padding-left: 12px;
    }

    .gdfb-view-list .gdfb-item.is-folder .gdfb-item-button {
        padding-right: 12px;
        padding-left: 12px;
    }

    .gdfb-view-list .gdfb-thumbnail {
        width: 76px;
    }
}