:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.5;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;color:var(--text-primary);background-color:var(--page-bg);--page-bg: #f5f5f4;--card-bg: rgba(255, 255, 255, .82);--card-border: rgba(0, 0, 0, .07);--card-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 12px rgba(0, 0, 0, .04);--text-primary: #1a1a1a;--text-secondary: #6b6b6b;--muted: #a0a0a0;--accent-start: #3b3b3b;--accent-end: #3b3b3b;--accent-gradient: linear-gradient(135deg, #3b3b3b, #1a1a1a);--accent-shadow: 0 4px 12px rgba(0, 0, 0, .15);--status-warning: #facc15;--status-success: #22c55e;--status-error: #f87171;--frosted: rgba(255, 255, 255, .85);--button-radius: 9px;--button-padding-y: .45rem;--button-padding-x: 1.1rem;--button-font-size: .85rem;--button-gap: .3rem;--icon-button-size: 44px;--body-background: #f5f5f4;--surface-contrast: rgba(255, 255, 255, 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rgba(255, 255, 255, .05);--status-pill-bg: rgba(255, 255, 255, .1);--status-warning-text: #fde68a;--status-success-text: #bbf7d0;--status-error-text: #fecaca;--pill-border: rgba(255, 255, 255, .12);--pill-bg: rgba(255, 255, 255, .05);--pill-text: #e5e5e5;--pill-muted-bg: rgba(255, 255, 255, .06);--pill-muted-border: rgba(255, 255, 255, .12);--pill-muted-text: #888888;--pill-danger-bg: rgba(220, 38, 38, .12);--pill-danger-border: rgba(220, 38, 38, .25);--pill-danger-text: #fca5a5;--ghost-button: #888888;--ghost-button-hover: #e5e5e5;--link-color: #888888;--link-hover-color: #e5e5e5;--topic-results-bg: rgba(255, 255, 255, .03);--topic-results-border: rgba(255, 255, 255, .07);--topic-results-shadow: none;--switch-track: rgba(255, 255, 255, .2);--switch-track-off: rgba(255, 255, 255, .08);--switch-thumb-bg: #e5e5e5;--switch-thumb-shadow: 0 1px 4px rgba(0, 0, 0, .5);--modal-overlay: rgba(0, 0, 0, .6);--modal-close-bg: rgba(15, 23, 42, .75);--modal-close-hover-bg: rgba(59, 130, 246, 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input{display:none}.answer-length-option__label{font-weight:600;color:var(--text-primary)}.answer-length-option__helper{font-size:.82rem;color:var(--muted)}.answer-length-option--active{border-color:var(--text-secondary);background:var(--surface-contrast-hover)}.tag-input{display:flex;flex-wrap:wrap;gap:.4rem;padding:.5rem;border-radius:14px;border:1px dashed var(--control-border-strong);background:var(--control-bg);cursor:text}.tag-input input{flex:1;min-width:180px;border:none;outline:none;padding:.4rem .2rem;background:transparent;font-size:.95rem}.tag-chip{display:inline-flex;align-items:center;gap:.35rem;padding:4px 10px;border-radius:6px;background:var(--control-tag-bg);color:var(--text-primary);font-size:.8rem;font-weight:600}.tag-chip__remove{border:none;background:transparent;color:inherit;font-size:1rem;line-height:1;cursor:pointer;padding:0;border-radius:4px;transition:color .2s ease,background .2s ease}.tag-chip__remove:hover{color:#b42318}.tag-chip__remove:focus-visible{outline:2px solid var(--accent-start);outline-offset:2px;color:#b42318}.field-hint{font-size:.85rem;color:var(--muted)}.form-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:.75rem;margin-top:.5rem}.form-footer p{flex:1;min-width:0}.form-error{color:#dc2626;margin:0;font-size:.85rem}.form-success{color:#16a34a;margin:0;font-size:.85rem}button{cursor:pointer}button:focus-visible{outline:2px solid var(--accent-start);outline-offset:2px}.form-hint{margin:0;font-size:.9rem;color:var(--muted)}button.primary{background:var(--text-primary);color:var(--card-bg);border:none;border-radius:var(--button-radius);padding:var(--button-padding-y) var(--button-padding-x);font-size:var(--button-font-size);font-weight:600;cursor:pointer;transition:box-shadow .2s ease,background .2s 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ease}.topic-card__expander:focus-visible{border-color:#60a5faa6;box-shadow:0 0 0 3px #60a5fa33}.topic-card__expander svg{width:14px;height:14px;transition:transform .2s ease}.topic-card__expander:hover{background:var(--surface-contrast-hover);border-color:var(--control-border-strong);box-shadow:var(--topic-card-shadow-hover)}.topic-card:not(.topic-card--collapsed) .topic-card__expander svg{transform:rotate(180deg)}.topic-label{margin:0;font-size:1.15rem;font-weight:700;letter-spacing:-.01em}.topic-sources{display:flex;flex-direction:column;gap:.4rem;padding:.75rem .85rem;border-radius:14px;border:1px solid var(--topic-sources-border);background:var(--topic-sources-bg)}.topic-sources__label{font-size:.75rem;text-transform:uppercase;letter-spacing:.2em;color:var(--muted)}.topic-sources__chips{display:flex;flex-wrap:wrap;gap:.35rem}.topic-card__details{display:flex;flex-direction:column;gap:1rem;margin-top:.25rem;padding-top:1rem;border-top:1px solid var(--topic-details-border)}.topic-edit-form{display:flex;flex-direction:column;gap:1rem}.topic-edit-actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.topic-edit-actions .primary{color:#fff}.topic-expand-enter-active,.topic-expand-leave-active{overflow:hidden;transition:opacity .2s ease,transform .2s ease;transform-origin:top center}.topic-expand-enter-from,.topic-expand-leave-to{opacity:0;transform:translateY(-8px)}.source-chip{border-radius:999px;padding:.2rem .65rem;font-size:.8rem;font-weight:600;background:#60a5fa26;border:1px solid rgba(96,165,250,.4);color:var(--text-primary)}.topic-card__actions{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:flex-start;padding:0;margin-top:.2rem}.topic-card__single-dig{width:var(--icon-button-size);height:var(--icon-button-size);min-width:44px;min-height:44px;border-radius:var(--button-radius);border:none;background:var(--accent-gradient);box-shadow:var(--accent-shadow);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:box-shadow .2s ease,opacity .2s ease,background .2s ease,border-color .2s ease,color .2s ease;color:#fff}.topic-card__single-dig svg{width:14px;height:14px;color:inherit}.topic-card__single-dig--spinning svg{animation:topic-dig-spin 1s linear infinite}@keyframes topic-dig-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.topic-card__single-dig:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.topic-card__single-dig:not(:disabled):hover{box-shadow:var(--topic-card-shadow-hover);background:var(--surface-contrast-hover);border-color:var(--control-border-strong);color:var(--text-primary)}.topic-card__single-dig:focus-visible{outline:2px solid var(--accent-start);outline-offset:2px}@keyframes topic-card-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.status-pill{border-radius:6px;padding:3px 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