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.trust-text{margin-top:6px;font-size:.7rem;line-height:1.2}.periodic-scope .checkbox-subtitle{font-size:.65rem;line-height:1.1}.periodic-scope .worksheet-controls{gap:6px}}@media (max-height:680px){.periodic-scope .controls-header p,.periodic-scope .trust-text,.periodic-scope .checkbox-subtitle{display:none}.periodic-scope .checkbox-text-wrapper{justify-content:center}}@media print{.periodic-scope #global-nav,.periodic-scope #version-dropdown,.periodic-scope #floating-about-btn,.periodic-scope .worksheet-controls,.periodic-scope .preview-header,.periodic-scope .preview-summary-bar,.periodic-scope .practice-actions{display:none!important}.periodic-scope,body.periodic-scope,.periodic-scope,html.periodic-scope{margin:0;padding:0;background:#fff!important;height:auto!important;overflow:visible!important}.periodic-scope #app-viewport,.periodic-scope #main-container,.periodic-scope .page-container,.periodic-scope .worksheet-generator-page,.periodic-scope .worksheet-container,.periodic-scope 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.periodic-scope .settings-viewport{box-sizing:border-box;flex-direction:column;gap:28px;width:100%;max-width:1100px;height:100vh;margin:0 auto;padding:100px 24px;display:flex;overflow-y:auto}.periodic-scope .settings-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}@media (max-width:900px){.periodic-scope .settings-grid{grid-template-columns:1fr}.periodic-scope .settings-viewport{height:auto;overflow-y:visible}}.periodic-scope .sv-card{-webkit-backdrop-filter:blur(24px)saturate(180%);background:#ffffffa6;border:1px solid #ffffff8c;border-radius:18px;flex-direction:column;gap:18px;padding:24px;transition:box-shadow .25s,transform .25s;display:flex;box-shadow:0 1px 3px #00000008,0 8px 24px #0000000f}.periodic-scope .sv-card:hover{transform:translateY(-2px);box-shadow:0 2px 6px #0000000a,0 12px 32px #00000017}.periodic-scope .sv-card-icon-row{align-items:center;gap:12px;display:flex}.periodic-scope .sv-card-icon-row h3{color:var(--text-primary);letter-spacing:-.01em;font-size:1.08rem;font-weight:700}.periodic-scope .sv-icon-circle{width:36px;height:36px;color:var(--text-primary);background:#0000000a;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.periodic-scope .sv-icon-purple{color:#667eea;background:#667eea1a}.periodic-scope .sv-unit-icon{color:#059669;background:#10b9811a}.periodic-scope .sv-anim-row{justify-content:space-between;align-items:center;gap:16px;min-height:40px;display:flex}.periodic-scope .sv-anim-label{color:var(--text-primary);font-size:.92rem;font-weight:600}.periodic-scope .sv-anim-hint{color:var(--text-muted);margin-top:2px;font-size:.8rem;font-weight:500}.periodic-scope .sv-speed-val{color:var(--text-muted);margin-left:4px;font-size:.88rem;font-weight:500}.periodic-scope .sv-play-btn{width:36px;height:36px;color:var(--text-primary);cursor:pointer;background:#ffffffb3;border:1.5px solid #00000014;border-radius:10px;justify-content:center;align-items:center;transition:all .15s;display:flex}.periodic-scope .sv-play-btn:hover{background:#0000000d;border-color:#00000024}.periodic-scope .sv-play-btn:active{transform:scale(.92)}.periodic-scope .sv-slider{appearance:none;background:#00000014;border-radius:3px;outline:none;width:100%;max-width:200px;height:5px}.periodic-scope .sv-slider::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;background:#1d1d1f;border-radius:50%;width:16px;height:16px;transition:transform .12s;box-shadow:0 1px 4px #00000040}.periodic-scope .sv-slider::-webkit-slider-thumb:hover{transform:scale(1.18)}.periodic-scope .sv-pill-group{background:#0000000a;border:1px solid #00000005;border-radius:9999px;align-items:center;padding:4px;display:flex;position:relative}.periodic-scope .sv-pill-btn{color:var(--text-secondary);cursor:pointer;white-space:nowrap;z-index:1;background:0 0;border:none;border-radius:9999px;padding:6px 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input:checked+.sv-toggle-slider:before{transform:translate(20px)}.periodic-scope .sv-suggest-hint{color:var(--text-secondary);font-size:.89rem;line-height:1.45}.periodic-scope .sv-suggest-chips{flex-wrap:wrap;gap:8px;display:flex}.periodic-scope .sv-chip{color:var(--text-secondary);cursor:pointer;background:#ffffff80;border:1.5px solid #00000012;border-radius:20px;padding:6px 14px;font-family:inherit;font-size:.84rem;font-weight:600;transition:all .15s}.periodic-scope .sv-chip:hover{color:var(--text-primary);background:#0000000d;border-color:#0003}.periodic-scope .sv-chip.active{color:#fff;background:#111827;border-color:#111827}.periodic-scope .sv-suggest-row{-webkit-backdrop-filter:blur(12px)saturate(160%);background:#ffffffb3;border:1px solid #0000000a;border-radius:20px;flex-direction:column;transition:all .25s cubic-bezier(.25,.8,.25,1);display:flex;overflow:hidden;box-shadow:0 4px 16px #00000005}.periodic-scope .sv-suggest-row:focus-within{background:#fffffff2;border-color:#00000026;box-shadow:0 8px 24px #0000000f}.periodic-scope .sv-suggest-input{width:100%;color:var(--text-primary);resize:none;box-sizing:border-box;background:0 0;border:none;outline:none;min-height:100px;padding:16px 18px 8px;font-family:inherit;font-size:.92rem;font-weight:500;line-height:1.55}.periodic-scope .sv-suggest-input::placeholder{color:var(--text-muted)}.periodic-scope .sv-suggest-actions-bottom{justify-content:space-between;align-items:center;padding:8px 14px 14px 18px;display:flex}.periodic-scope .sv-suggest-send{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:20px;justify-content:center;align-items:center;height:40px;padding:0 24px;font-family:inherit;font-size:.9rem;font-weight:600;transition:all .3s;display:inline-flex;position:relative;box-shadow:0 2px 4px #00000014}.periodic-scope .sv-suggest-send:hover{background:#1f2937;box-shadow:0 4px 8px #0000001f}.periodic-scope .sv-suggest-send:active{transform:scale(.95)}.periodic-scope .sv-suggest-send.sent{color:#fff;background:#10b981}.periodic-scope .sv-send-content-default{align-items:center;gap:8px;transition:all .3s;display:flex}.periodic-scope .sv-send-content-success{opacity:0;justify-content:center;align-items:center;transition:all .3s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-20%)scale(.8)}.periodic-scope .sv-suggest-send.sent .sv-send-content-default{opacity:0;transform:translateY(-20px)}.periodic-scope .sv-suggest-send.sent .sv-send-content-success{opacity:1;transform:translate(-50%,-50%)scale(1)}.periodic-scope .sv-suggest-status{color:#10b981;font-size:.85rem;font-weight:600}.periodic-scope .sv-danger-btn{color:#dc2626;cursor:pointer;background:#ef444414;border:1px solid #ef444433;border-radius:12px;align-self:flex-start;padding:8px 18px;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .2s}.periodic-scope .sv-danger-btn:hover{color:#fff;background:#ef4444;transform:translateY(-1px);box-shadow:0 4px 10px #ef444433}.periodic-scope .sv-danger-btn:active{transform:scale(.96)}