/* PhysicsLab uses the existing Onisne theme tokens and card patterns. */
.pl-view{padding-bottom:2rem;color:var(--ink)}
.pl-hero{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1.7rem 1.8rem;margin:.2rem 0 1rem;border:1px solid var(--line);border-radius:24px;background:linear-gradient(110deg,var(--surface),color-mix(in srgb,var(--marca) 12%,var(--surface)));box-shadow:var(--sombra)}
.pl-hero h2{font:600 clamp(1.65rem,3vw,2.3rem)/1.2 var(--fonte-titulo);margin:.25rem 0}
.pl-hero p{margin:0;color:var(--muted);max-width:760px;line-height:1.6}
.pl-hero-mark{display:grid;place-items:center;flex:none;width:74px;height:74px;border-radius:22px;background:var(--grad);color:#fff;font-size:2rem;font-weight:800}
.pl-hero-mark .pl-logo-icon{width:44px;height:44px;stroke:currentColor;stroke-width:1.55}
.pl-tabs{display:flex;gap:.45rem;overflow-x:auto;padding:.35rem .1rem .8rem;margin-bottom:.6rem;scrollbar-width:thin}
.pl-tab{flex:none;border:1px solid var(--line);border-radius:999px;padding:.62rem .95rem;background:var(--surface);color:var(--muted);font:600 .8rem var(--fonte);cursor:pointer}
.pl-tab:hover{border-color:var(--marca);color:var(--ink)}
.pl-tab.ativa{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 6px 16px color-mix(in srgb,var(--marca) 20%,transparent)}
.pl-panel[hidden],.pl-tool-panel[hidden]{display:none!important}
.pl-intro{margin:1rem 0 1.2rem;max-width:900px}
.pl-intro h3{font:600 clamp(1.3rem,2vw,1.8rem)/1.25 var(--fonte-titulo);margin:.25rem 0 .45rem}
.pl-intro p{color:var(--muted);line-height:1.6;margin:.35rem 0}
.pl-lab{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:1rem;align-items:start;margin:1rem 0 1.4rem}
.pl-card{min-width:0;padding:1rem;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--sombra)}
.pl-card h4{font:650 1rem var(--fonte-titulo);margin:.2rem 0 .65rem}
.pl-canvas-wrap{overflow:hidden;border-radius:14px;background:var(--surface-2);padding:.5rem}
.pl-canvas{display:block;width:100%;height:auto;min-height:230px;touch-action:pan-y}
.pl-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}
.pl-controls label,.pl-tool-form label{display:grid;gap:.35rem;color:var(--muted);font-size:.77rem;font-weight:650}
.pl-controls input,.pl-controls select,.pl-tool-form input,.pl-tool-form select,.pl-catalog-search input,.pl-tool-search input{min-width:0;width:100%;padding:.63rem .7rem;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit}
.pl-controls input[type=range]{padding:0;accent-color:var(--marca)}
.pl-controls output{color:var(--ink);font-size:.75rem}
.pl-actions{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.85rem}
.pl-actions .btn{font-size:.76rem}
.pl-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;margin-top:.9rem}
.pl-result{display:grid;gap:.2rem;min-width:0;padding:.65rem .7rem;border-radius:11px;background:var(--surface-2)}
.pl-result small{color:var(--muted);font-size:.67rem}
.pl-result b{font:700 .95rem var(--fonte-titulo);overflow-wrap:anywhere}
.pl-explanation{margin-top:.85rem;color:var(--muted);font-size:.77rem;line-height:1.6}
.pl-equation{display:block;margin-top:.45rem;color:var(--marca-forte);font-family:ui-monospace,Consolas,monospace;font-size:.76rem}
.pl-catalog-tools{display:grid;grid-template-columns:minmax(200px,1fr) auto;gap:.7rem;align-items:end;margin:1rem 0 .8rem}
.pl-catalog-search,.pl-tool-search{display:grid;gap:.35rem;color:var(--muted);font-size:.78rem;font-weight:650}
.pl-count{font-size:.74rem;color:var(--muted);white-space:nowrap}
.pl-sim-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:.75rem}
.pl-sim-card{display:flex;flex-direction:column;align-items:flex-start;gap:.45rem;min-width:0;padding:.85rem;border:1px solid var(--line);border-radius:15px;background:var(--surface);box-shadow:var(--sombra)}
.pl-sim-card[hidden]{display:none!important}
.pl-sim-card h4{font:650 .9rem/1.35 var(--fonte-titulo);margin:.1rem 0}
.pl-sim-card p{flex:1;margin:0;color:var(--muted);font-size:.75rem;line-height:1.5}
.pl-sim-mark{color:var(--marca-forte);font-size:.64rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.pl-sim-card .btn{width:100%;font-size:.74rem}
.pl-sim-card a{font-size:.7rem;color:var(--marca-forte);text-decoration:underline;text-underline-offset:2px}
.pl-player{margin:1rem 0;padding:1rem;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--sombra);scroll-margin-top:1rem}
.pl-player[hidden]{display:none!important}
.pl-player-head{display:flex;justify-content:space-between;align-items:flex-start;gap:.8rem;margin-bottom:.7rem}
.pl-player-head h3{font:650 1.05rem var(--fonte-titulo);margin:.25rem 0}
.pl-player-actions{display:flex;flex-wrap:wrap;gap:.45rem}
.pl-player-frame{width:100%;aspect-ratio:16/10;min-height:340px;border:0;border-radius:12px;background:#fff}
.pl-note{padding:.75rem .85rem;margin:.8rem 0 0;border-radius:11px;background:var(--surface-2);color:var(--muted);font-size:.72rem;line-height:1.55}
.pl-tools{padding-top:.2rem}
.pl-tool-panel{margin-top:1rem}
.pl-tool-grid{display:grid;grid-template-columns:minmax(230px,.7fr) minmax(0,1.3fr);gap:1rem;align-items:start}
.pl-tool-form{display:grid;gap:.75rem}
.pl-tool-form input[type=range]{accent-color:var(--marca)}
.pl-output{margin:.8rem 0 0;padding:.85rem;border-radius:12px;background:var(--surface-2);line-height:1.6}
.pl-output[hidden]{display:none}
.pl-list{display:grid;gap:.65rem}
.pl-list-item{padding:.8rem;border:1px solid var(--line);border-radius:13px;background:var(--surface)}
.pl-list-item h4{margin:.15rem 0 .4rem;font:650 .92rem var(--fonte-titulo)}
.pl-list-item p{margin:.25rem 0;color:var(--muted);font-size:.78rem;line-height:1.55}
.pl-formula{font:600 .8rem ui-monospace,Consolas,monospace;color:var(--marca-forte)}
.pl-question{padding:1rem;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.pl-question fieldset{border:0;padding:0;margin:0}
.pl-question legend{font-weight:700;margin-bottom:.6rem}
.pl-question label{display:flex;gap:.5rem;align-items:flex-start;padding:.5rem;border-radius:9px;font-size:.8rem}
.pl-question label:hover{background:var(--surface-2)}
.pl-feedback{min-height:1.4em;margin:.55rem 0;color:var(--muted);font-size:.8rem}
.pl-status{margin:.65rem 0 0;color:var(--muted);font-size:.72rem}
.pl-empty{padding:1.2rem;text-align:center;color:var(--muted);background:var(--surface-2);border-radius:12px}
@media(max-width:850px){.pl-lab,.pl-tool-grid{grid-template-columns:1fr}}
@media(max-width:560px){.pl-hero{padding:1.2rem;align-items:flex-start}.pl-hero-mark{width:58px;height:58px;font-size:1.5rem}.pl-hero-mark .pl-logo-icon{width:34px;height:34px}.pl-controls{grid-template-columns:1fr}.pl-catalog-tools{grid-template-columns:1fr}.pl-player-head{display:grid}.pl-player-frame{min-height:280px}.pl-actions .btn{flex:1}}
@media(prefers-reduced-motion:reduce){.pl-tab{scroll-behavior:auto}}