:root {
    --sfvlt-primary: hsl(220, 90%, 56%);
    --sfvlt-success: hsl(142, 76%, 36%);
    --sfvlt-error: hsl(346, 84%, 61%);
    --sfvlt-text: hsl(220, 15%, 20%);
    --sfvlt-bg: hsl(210, 20%, 98%);
    --sfvlt-border: hsl(210, 14%, 90%);
}

.sfvlt-core-vault {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: var(--sfvlt-text);
    background: #ffffff;
    border: 1px solid var(--sfvlt-border);
    border-radius: 8px;
    padding: 24px;
    margin: 20px 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
}

.sfvlt-core-upload-form {
    background: var(--sfvlt-bg);
    border: 2px dashed var(--sfvlt-border);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.sfvlt-core-upload-form label {
    font-weight: 600;
    font-size: 14px;
}

.sfvlt-core-upload-form input[type="file"] {
    background: #ffffff;
    border: 1px solid var(--sfvlt-border);
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
}

.sfvlt-upload-status {
    width: 100%;
    margin-top: 10px;
    font-size: 13px;
    font-weight: 500;
}

.sfvlt-uploading { color: var(--sfvlt-primary); }
.sfvlt-success { color: var(--sfvlt-success); }
.sfvlt-error { color: var(--sfvlt-error); }

.sfvlt-core-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 14px;
}

.sfvlt-core-table th, 
.sfvlt-core-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--sfvlt-border);
}

.sfvlt-core-table th {
    background-color: var(--sfvlt-bg);
    font-weight: 600;
    color: hsl(220, 15%, 35%);
}

.sfvlt-sortable {
    cursor: pointer;
    user-select: none;
}

.sfvlt-sortable:hover {
    background-color: hsl(210, 14%, 93%);
}

.sfvlt-col-name {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sfvlt-icon {
    font-size: 18px;
}

.sfvlt-col-actions {
    text-align: right;
}

.sfvlt-col-actions a {
    text-decoration: none;
    display: inline-block;
    padding: 6px 12px;
    background: var(--sfvlt-primary);
    color: #ffffff !important;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    transition: background 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.sfvlt-col-actions a:hover {
    background: hsl(220, 90%, 46%);
}

/* Breadcrumbs styling */
.sfvlt-breadcrumbs-trail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
    color: hsl(220, 10%, 50%);
}

.sfvlt-breadcrumbs-trail a.sfvlt-breadcrumb-item {
    color: var(--sfvlt-primary);
    text-decoration: none;
    transition: color 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.sfvlt-breadcrumbs-trail a.sfvlt-breadcrumb-item:hover {
    color: hsl(220, 90%, 46%);
}

.sfvlt-breadcrumbs-trail .sfvlt-breadcrumb-separator {
    color: hsl(220, 10%, 75%);
}

.sfvlt-breadcrumbs-trail .sfvlt-breadcrumb-item.current {
    color: hsl(220, 15%, 20%);
    font-weight: 600;
}

/* Back Row styling */
.sfvlt-row-back td {
    border-bottom: 1px solid var(--sfvlt-border);
}

.sfvlt-row-back:hover td {
    background-color: hsl(210, 14%, 96%) !important;
}

/* Actions Dropdown styling */
.sfvlt-action-dropdown-container {
    position: relative;
    display: inline-block;
}

.sfvlt-dropdown-trigger {
    background: #f1f5f9;
    color: #475569 !important;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
}

.sfvlt-dropdown-trigger:hover {
    background: #e2e8f0;
    border-color: #94a3b8;
    color: #1e293b !important;
}

.sfvlt-dropdown-caret {
    margin-left: 6px;
    font-size: 10px;
    color: #64748b;
}

.sfvlt-dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    z-index: 100;
    min-width: 150px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    padding: 6px 0;
    margin-top: 4px;
    animation: wpsfvFadeIn 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes wpsfvFadeIn {
    from { opacity: 0; transform: translate3d(0, -4px, 0); }
    to { opacity: 1; transform: translate3d(0, 0, 0); }
}

.sfvlt-dropdown-item {
    display: block;
    width: 100%;
    padding: 8px 16px;
    font-size: 13px;
    text-align: left;
    color: #475569 !important;
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-sizing: border-box;
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.sfvlt-dropdown-item:hover {
    background: #f1f5f9;
    color: #1e293b !important;
}

/* File/folder name label interaction styles */
.sfvlt-name-text {
    cursor: pointer !important;
    font-weight: 500;
    color: #1e293b;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.sfvlt-name-text:hover {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

/* strict modern CSS boundaries for image/PDF thumbnails */
.sfvlt-thumbnail-img {
    aspect-ratio: 1/1 !important;
    object-fit: cover !important;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid hsl(210, 14%, 88%);
    display: inline-block;
    vertical-align: middle;
}

.layout-grid .sfvlt-thumbnail-img {
    width: 80px;
    height: 80px;
}

/* Preview Modal Lightbox */
.sfvlt-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.sfvlt-lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.sfvlt-lightbox-content {
    background: #111111;
    border-radius: 8px;
    padding: 24px;
    position: relative;
    max-width: 90%;
    max-height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.sfvlt-lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 30px;
    cursor: pointer;
}

.sfvlt-lightbox-media {
    max-width: 100%;
    max-height: 70vh;
    border-radius: 4px;
    display: block;
}

.sfvlt-lightbox-title {
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
    margin-top: 15px;
    word-break: break-all;
    text-align: center;
}

/* strict video boundaries */
video.sfvlt-lightbox-media {
    aspect-ratio: 1/1;
    object-fit: cover;
    width: 400px;
    height: 400px;
}