.preview-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    flex: 0 0 auto;
}
.preview-toolbar .preview-name {
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1 1 auto;
    min-width: 0;
}
.preview-toolbar .preview-btn {
    font-family: var(--sans);
    font-size: 12px;
    color: #0d0d12;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 6px 14px;
    cursor: pointer;
    line-height: 1;
    font-weight: 600;
    transition: filter 0.15s ease;
}
.preview-toolbar .preview-btn:hover {
    filter: brightness(1.1);
}
.preview-stage {
    flex: 1 1 auto;
    overflow: auto;
    min-height: 0;
}
.preview-loading,
.preview-error {
    padding: 40px 24px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    font-family: var(--sans);
}
.preview-error {
    color: var(--warn);
}
.preview-img {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    min-height: 100%;
    box-sizing: border-box;
    background: repeating-conic-gradient(#16161c 0 25%, #1a1a22 0 50%) 0 0 / 24px 24px;
}
.preview-img img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}
.preview-pdf {
    width: 100%;
    height: 100%;
    min-height: 480px;
    background: #1a1a22;
}
.preview-pdf embed,
.preview-pdf object,
.preview-pdf iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}
.preview-json {
    margin: 0;
    padding: 20px 24px;
    font-family: var(--mono);
    font-size: 12.5px;
    line-height: 1.7;
    white-space: pre;
    color: var(--text);
    overflow: auto;
    tab-size: 4;
}
.preview-json .json-key {
    color: #f0b429;
}
.preview-json .json-str {
    color: #7af2a8;
}
.preview-json .json-num {
    color: #61dafb;
}
.preview-json .json-bool {
    color: #ff8a5b;
}
.preview-json .json-null {
    color: var(--muted);
    font-style: italic;
}
.preview-text {
    margin: 0;
    padding: 20px 24px;
    font-family: var(--mono);
    font-size: 12.5px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    color: var(--text);
    overflow: auto;
    tab-size: 4;
}
.preview-csv {
    padding: 16px;
    overflow: auto;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--text);
}
.preview-csv table {
    border-collapse: collapse;
    width: max-content;
    min-width: 100%;
}
.preview-csv th,
.preview-csv td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    vertical-align: top;
    white-space: pre-wrap;
    word-break: break-word;
    max-width: 360px;
}
.preview-csv thead th {
    background: var(--surface);
    color: var(--accent);
    font-weight: 600;
    text-align: left;
    position: sticky;
    top: 0;
    z-index: 1;
}
.preview-csv tbody tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}
.preview-ics {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.ics-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    padding: 18px 20px;
    font-family: var(--sans);
}
.ics-card .ics-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
    word-break: break-word;
}
.ics-card .ics-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 8px 16px;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--text-dim);
}
.ics-card .ics-row .ics-label {
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding-top: 2px;
}
.ics-card .ics-row .ics-value {
    color: var(--text);
    word-break: break-word;
    white-space: pre-wrap;
}
.ics-card .ics-row .ics-value.dim {
    color: var(--text-dim);
}