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[fill="#eff6ff" i]{fill:var(--t-sim-panel)}:root[data-theme] .embed svg [fill="#1d4ed8" i]{fill:var(--t-sim-line)}:root[data-theme] .embed svg [stroke="#1d4ed8" i]{stroke:var(--t-sim-line)}:root[data-theme] .embed svg [fill="#dbeafe" i]{fill:var(--t-sim-fill)}:root[data-theme] .embed .py-handle:not([fill]){fill:var(--t-sim-handle)}:root[data-theme] .embed .py-handle{stroke:var(--t-sim-handle-stroke)}:root[data-theme] .embed .m3-view,:root[data-theme] .embed .lab3d-wrap{background:var(--t-sim-bg3d)}:root[data-theme=dark-lab] .embed .embed-body{--t-text: #111827;--t-text2: #334155;--t-text3: #475569;--t-heading: #111827;--t-surface: #f1f4f8;--t-surface2: #e1e7ef;--t-hover: #d5dce6;--t-border: #b8c2cf;--t-border-strong: #94a3b8;--t-accent: #1667b8;--t-accent-ink: #ffffff;--t-accent-soft: #d6e6f8;--t-bg: #edf1f6;color-scheme:light}:root[data-theme=dark-lab] .embed .embed-body .deep-side,:root[data-theme=dark-lab] .embed .embed-body .chemlab-bar,:root[data-theme=dark-lab] .embed .embed-body .chemlab-read{--t-text: #e8eef8;--t-text2: #aebbd2;--t-text3: #7d8ba6;--t-heading: #f1f5fb;--t-surface: #141c2c;--t-surface2: #1a2436;--t-hover: #212d43;--t-border: #273450;--t-border-strong: #38496d;--t-accent: #4fc3f7;--t-accent-ink: #06121f;--t-accent-soft: #173049;--t-bg: #0d1320;color-scheme:dark}:root[data-theme] .embed .deep-side{--t-sim-ink: var(--t-text);--t-sim-ink2: var(--t-text2);--t-sim-panel: var(--t-surface);--t-sim-panel-border: var(--t-border);--t-sim-bg: var(--t-bg);--t-sim-line: var(--t-accent)}:root[data-theme=dark-lab] .chemlab-eqbtn b.ok{color:#6ee7a8}:root[data-theme=dark-lab] .chemlab-eqbtn b.no{color:#ff9b91}.login-reason{margin:0;padding:10px 12px;border-radius:10px;background:#fff4e5;color:#7a4100;font-size:14px}.login.fb{z-index:880;background:#0f172a73}.fb-h{margin:0;font:700 20px system-ui,sans-serif;color:var(--t-heading, #1b2a4a)}.fb textarea{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--t-border-strong, #cfc8b8);background:var(--t-surface, #fff);color:var(--t-text, #15213b);font:16px system-ui,sans-serif;resize:vertical;-webkit-user-select:text;user-select:text}.fb-send{padding:0 20px}@media(max-width:720px),(max-height:520px){.embed.full .fs-bar{overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.embed.full .fs-bar .lbl{display:none}.embed.full .fs-bar strong{flex:1 1 auto;min-width:60px;font-size:14px}.embed.full .fs-bar button{flex:none}}.login-pw{position:relative;display:flex}.login-pw input{flex:1;padding-right:92px}.login-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;gap:4px;min-height:40px;padding:0 10px;border:0;border-radius:10px;background:var(--t-surface2, #f3f0e8);color:var(--t-text, #15213b);font:600 13px system-ui,sans-serif;cursor:pointer}.login-mismatch{color:#b3261e;font-size:13px;margin-top:-4px}.login-form input[aria-invalid=true]{border-color:#b3261e}a.ss-nav{text-decoration:none;color:var(--vz-text-2);box-sizing:border-box}.embed.full .fs-bar a[data-testid=feedback-open]{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:0 10px;border-radius:10px;color:var(--t-text2, #4a556f);text-decoration:none}.dn .login-card{width:min(460px,100%)}.dn-tiers .vz-chipq{min-width:96px}.dn-custom{display:flex;align-items:center;gap:10px;font-size:15px}.dn-custom input{flex:1;min-height:44px;padding:0 12px;border-radius:10px;border:1px solid var(--t-border-strong, #cfc8b8);background:var(--t-surface, #fff);color:var(--t-text, #15213b);font-size:16px;-webkit-user-select:text;user-select:text}.dn-qr{display:flex;flex-direction:column;align-items:center;gap:6px}.dn-qr svg{width:220px;height:220px;border-radius:10px;border:1px solid var(--t-border, #e5e0d4)}.dn-qr p{margin:0;font-size:14px}.dn-info td:first-child{color:var(--t-text2, #4a556f)}.donate-btn,.bar .donate-btn,.ss-rail .donate-btn.ss-nav{background:linear-gradient(135deg,#dc2626,#c2410c)!important;color:#fff!important;border:0;font-weight:700;box-shadow:0 2px 8px #c2410c59}.donate-btn:hover{filter:brightness(1.08)}.donate-btn .vz-ic{color:#fff}.bar .donate-btn{display:inline-flex;align-items:center;gap:6px;font-size:16px;padding:0 14px;border-radius:999px}:root[data-theme=high-contrast] .donate-btn{outline:2px solid #000;outline-offset:1px}@media(max-width:720px),(max-height:520px){:root[data-theme] .embed .kit-side,:root[data-theme] .embed .tit-side,:root[data-theme] .embed .tch-under{background:var(--t-bg);color:var(--t-text);border-color:var(--t-border)}:root[data-theme] .embed :is(.deep-side,.kit-side,.tit-side,.tch-under) .xl-hide{border-bottom-color:var(--t-border);color:var(--t-text)}}