.komplex-shader-viewer {
    --ksv-border: var(--wp--preset--color--contrast-2, #3a3f47);
    --ksv-surface: var(--wp--preset--color--base-2, #16191f);
    --ksv-surface-2: var(--wp--preset--color--base, #101217);
    --ksv-text: var(--wp--preset--color--contrast, #f5f7fb);
    --ksv-muted: #9da6b5;
    --ksv-accent: var(--wp--preset--color--primary, #7d5cff);
    color: var(--ksv-text);
    width: 100%;
}

.komplex-shader-viewer * { box-sizing: border-box; }

.ksv-card {
    width: 100%;
    background: var(--ksv-surface);
    border: 1px solid var(--ksv-border);
    border-radius: 14px;
    overflow: hidden;
}

.ksv-preview-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #08090c;
    overflow: hidden;
}

.ksv-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.ksv-loading {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(8,9,12,.82);
    z-index: 2;
    grid-auto-flow: column;
    gap: 10px;
    align-content: center;
    justify-content: center;
}

.ksv-loading[hidden] { display: none; }

.ksv-throbber {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.25);
    border-top-color: currentColor;
    animation: ksv-spin .7s linear infinite;
}

@keyframes ksv-spin { to { transform: rotate(360deg); } }

.ksv-preview-controls {
    position: absolute;
    right: 10px;
    bottom: 10px;
    z-index: 3;
    display: flex;
    justify-content: flex-end;
    gap: 6px;
}

.ksv-control {
    appearance: none;
    border: 1px solid var(--ksv-border);
    border-radius: 7px;
    background: rgba(16,18,23,.86);
    color: var(--ksv-text);
    width: 32px;
    height: 32px;
    min-height: 32px;
    padding: 0;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    backdrop-filter: blur(4px);
}

.ksv-control:hover:not(:disabled) { border-color: var(--ksv-accent); }
.ksv-control:disabled { opacity: .5; cursor: not-allowed; }

.ksv-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    border-top: 1px solid var(--ksv-border);
    color: var(--ksv-muted);
    font-size: 13px;
    line-height: 1.35;
}

.ksv-author { min-width: 0; overflow-wrap: anywhere; }
.ksv-downloads { margin-left: auto; text-align: right; white-space: nowrap; }
.ksv-downloads .fa-download { margin-right: 6px; }
.ksv-description {
    padding: 16px;
    border-top: 1px solid var(--ksv-border);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.55;
}

.ksv-description:empty { display: none; }

.ksv-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 12px;
}

.ksv-action-button {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
    border: 1px solid var(--ksv-border);
    border-radius: 8px;
    padding: 8px 14px;
    background: var(--ksv-surface);
    color: var(--ksv-text);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
}

.ksv-action-button:hover {
    border-color: var(--ksv-accent);
    color: var(--ksv-text);
    text-decoration: none;
}

.ksv-action-button:focus-visible {
    outline: 2px solid var(--ksv-accent);
    outline-offset: 2px;
}

.ksv-action-button[hidden] { display: none; }

.ksv-status,
.ksv-error,
.ksv-no-webgl {
    position: absolute;
    left: 10px;
    bottom: 10px;
    z-index: 3;
    max-width: calc(100% - 100px);
    border-radius: 5px;
    padding: 5px 8px;
    background: rgba(8,9,12,.82);
    color: var(--ksv-muted);
    font-size: 12px;
}

.ksv-status.is-error,
.ksv-error { color: #ff8f8f; }
.ksv-status.is-ready { display: none; }
.ksv-error[hidden],
.ksv-no-webgl[hidden] { display: none; }

.ksv-channel-dialog {
    position: fixed;
    inset: 0;
    z-index: 100000;
}
.ksv-channel-dialog[hidden] { display: none; }
html.ksv-channel-dialog-open { overflow: hidden; }

.ksv-channel-dialog-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .55);
}

.ksv-channel-dialog-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(680px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    overflow: auto;
    border: 1px solid var(--ksv-border);
    border-radius: 12px;
    background: var(--ksv-surface);
    color: var(--ksv-text);
    box-shadow: 0 22px 48px rgba(0, 0, 0, .42);
}

.ksv-channel-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid color-mix(in srgb, var(--ksv-border) 24%, transparent);
}

.ksv-channel-dialog-title { font-size: 14px; font-weight: 600; }

.ksv-channel-source-button,
.ksv-channel-reset-button,
.ksv-channel-dialog-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0;
    border: 1px solid var(--ksv-border);
    border-radius: 7px;
    background: var(--ksv-surface-2);
    color: var(--ksv-text);
    font: inherit;
    cursor: pointer;
}

.ksv-channel-source-button:hover,
.ksv-channel-reset-button:hover,
.ksv-channel-dialog-close:hover { border-color: var(--ksv-accent); }

.ksv-channel-source-button:focus-visible,
.ksv-channel-reset-button:focus-visible,
.ksv-channel-dialog-close:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 1px;
}

.ksv-channel-dialog-close { width: 32px; height: 32px; padding: 0; }
.ksv-channel-dialog-body { padding: 14px 16px 16px; }
.ksv-channel-dialog-note { margin: 0 0 12px; color: var(--ksv-muted); font-size: 12px; }
.ksv-channel-controls { display: grid; grid-template-columns: 1fr; gap: 8px; }

.ksv-channel-control {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 6px;
}

.ksv-channel-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--ksv-muted);
    font-size: 12px;
}

.ksv-channel-source-button { min-height: 30px; padding: 4px 9px; font-size: 12px; }
.ksv-channel-reset-button { width: 30px; height: 30px; padding: 0; }
.ksv-channel-reset-button[hidden] { display: none; }

.ksv-editor-placeholder {
    padding: 20px;
    border: 1px dashed currentColor;
    border-radius: 8px;
}

@media (max-width: 600px) {
    .ksv-channel-control { grid-template-columns: 1fr; }
    .ksv-channel-reset-button { width: 100%; }
}