/* Quantum optics tool: page-specific layout on top of optics-lab-theme.css */

.qo-select {
    width: 100%;
    min-height: 36px;
    padding: 6px 8px;
    box-sizing: border-box;
    border-radius: 8px;
    border: 1px solid var(--optics-card-border, #c9c4dc);
    background: var(--surface-color, #fff);
    color: var(--optics-ink, #202437);
    font-size: .9rem;
}

body.tool-optics-lab.dark-mode .qo-select {
    background: rgba(0, 0, 0, .35);
    border-color: rgba(167, 139, 250, .45);
}

label.control-label {
    display: block;
    margin-bottom: 4px;
}

.control-group.is-disabled {
    opacity: .5;
}

.control-group.is-disabled input[type="range"] {
    cursor: not-allowed;
}

/* experiment switch: three large radio "tabs" */
.qo-switch {
    display: grid;
    gap: 6px;
}

.qo-switch-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--optics-card-border, #c9c4dc);
    cursor: pointer;
    font-size: .9rem;
    font-weight: 600;
    color: var(--optics-ink, #202437);
    line-height: 1.3;
}

.qo-switch-opt input {
    margin: 0;
    flex: none;
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color, #6855bd);
}

.qo-switch-opt:has(input:checked) {
    background: var(--primary-light, rgba(104, 85, 189, .12));
    border-color: var(--primary-color, #6855bd);
}

.qo-switch-opt:has(input:focus-visible) {
    outline: 3px solid var(--optics-focus, #6855bd);
    outline-offset: 2px;
}

.qo-scope {
    margin: 10px auto 0;
    max-width: 900px;
    font-size: .9rem;
    line-height: 1.5;
}

.qo-scope .optics-badge {
    margin-right: 6px;
}

.qo-scope-note {
    margin: 0 0 12px;
    padding: 10px 12px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color, #6855bd);
    background: var(--optics-card-bg);
    color: var(--optics-ink-2, #4c5368);
    font-size: .88rem;
    line-height: 1.5;
    text-align: left;
}

.qo-exp[hidden],
.qo-exp-ctl[hidden] {
    display: none !important;
}

.qo-exp-title {
    margin: 4px 0 0;
    font-size: 1.1rem;
    color: var(--optics-ink, #202437);
    text-align: left;
}

.qo-actions {
    margin-top: 4px;
    flex-wrap: wrap;
}

.qo-status {
    margin: 4px 0;
    min-height: 1.2em;
    font-size: .85rem;
    color: var(--optics-ink-2, #4c5368);
}

.qo-warn .optics-warning {
    margin: 4px 0;
}

.preset-note {
    margin: 8px 0 0;
    font-size: .82rem;
    line-height: 1.45;
    color: var(--optics-ink-2, #4c5368);
    min-height: 1em;
}

.preset-note strong {
    color: var(--optics-ink, #202437);
}

.preset-buttons .preset-option {
    min-height: 36px;
}

#buildCanvas {
    cursor: crosshair;
}

.canvas-area .optics-readouts>div {
    border-bottom: 1px solid var(--optics-card-border, rgba(148, 163, 184, .2));
    padding: 3px 0;
}

.canvas-area .optics-readouts {
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    margin-top: 10px;
}

.qo-export {
    margin-top: 10px;
}

#stTable caption {
    caption-side: top;
    text-align: left;
    font-size: .85rem;
    padding: 4px 0;
    color: var(--optics-ink-2, #4c5368);
}

.optics-related {
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--optics-card-bg);
    border: 1px solid var(--optics-card-border);
}

.optics-related ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 6px 18px;
}

.optics-teaching .formula-box p {
    overflow-wrap: anywhere;
}

@media (max-width: 760px) {
    .qo-actions .action-btn {
        padding: 10px 12px;
    }
}