.kpv-viewer-wrapper {
    max-width: 100%;
    margin: 1.5em 0;
    font-family: inherit;
}

.kpv-iframe-container {
    position: relative;
    width: 100%;
    height: var(--kpv-height, 600px);
    border: 1px solid #d5d8dc;
    border-radius: 8px;
    overflow: hidden;
    background: #f5f6f7;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.kpv-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.kpv-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 0.75em;
}

.kpv-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    padding: 0.6em 1.1em;
    background: #2271b1;
    color: #ffffff !important;
    border-radius: 6px;
    text-decoration: none !important;
    font-weight: 600;
    font-size: 0.95em;
    transition: background 0.15s ease-in-out;
}

.kpv-download-btn:hover,
.kpv-download-btn:focus {
    background: #1a5a8e;
    color: #ffffff !important;
}

.kpv-download-icon {
    font-size: 1.1em;
    line-height: 1;
}

.kpv-error {
    padding: 0.75em 1em;
    background: #fbeaea;
    border-left: 4px solid #d63638;
    color: #7a1f22;
    font-size: 0.95em;
}

@media (max-width: 600px) {
    .kpv-iframe-container {
        height: 400px;
    }
}

/* ==== v2.0: meta row, provider switch, restricted, gallery ==== */

.kpv-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75em;
    margin-top: 0.75em;
}

.kpv-switch-provider {
    background: none;
    border: none;
    color: #2271b1;
    font-size: 0.85em;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
}

.kpv-switch-provider:hover {
    color: #1a5a8e;
}

.kpv-actions {
    display: flex;
    align-items: center;
    gap: 0.75em;
    flex-wrap: wrap;
}

.kpv-download-count {
    font-size: 0.85em;
    color: #646970;
}

.kpv-restricted {
    padding: 2em 1.5em;
    background: #f5f6f7;
    border: 1px dashed #c3c4c7;
    border-radius: 8px;
    text-align: center;
    color: #3c434a;
}

.kpv-login-link {
    font-weight: 600;
}

.kpv-gallery {
    display: grid;
    grid-template-columns: repeat(var(--kpv-columns, 3), 1fr);
    gap: 1.25em;
    margin: 1.5em 0;
}

@media (max-width: 900px) {
    .kpv-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .kpv-gallery {
        grid-template-columns: 1fr;
    }
}

.kpv-gallery-card {
    border: 1px solid #d5d8dc;
    border-radius: 8px;
    padding: 1em;
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 0.6em;
}

.kpv-gallery-card-header {
    display: flex;
    align-items: center;
    gap: 0.5em;
}

.kpv-gallery-icon {
    font-size: 0.85em;
    background: #eef3f8;
    color: #2271b1;
    padding: 0.15em 0.5em;
    border-radius: 4px;
    font-weight: 700;
}

.kpv-gallery-filename {
    font-weight: 600;
    font-size: 0.95em;
    word-break: break-word;
}

.kpv-gallery-toggle {
    align-self: flex-start;
    padding: 0.5em 1em;
    background: #f0f0f1;
    border: 1px solid #d5d8dc;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 600;
    color: #2c3338;
}

.kpv-gallery-toggle:hover {
    background: #e5e5e6;
}

.kpv-gallery-preview .kpv-viewer-wrapper {
    margin-top: 0.5em;
}