:root{--bg: #f4f5f7;--card: #ffffff;--surface: #f8f9fb;--text: #1d2330;--text-2: #3c4454;--muted: #6b7282;--faint: #9aa1ae;--border: #e3e6eb;--border-strong: #cfd4dc;--accent: #2f5fd0;--accent-hover: #264fb3;--accent-soft: #edf2fd;--warn: #b4235a;--missing: #fff4e8;--missing-border: #f2c48d;--ref: #f3f6fd;--ok: #18794e;--mol-filter: none;--radius: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .04);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #0e1015;--card: #161920;--surface: #1b1f27;--text: #e7eaf0;--text-2: #c4cad5;--muted: #8f97a5;--faint: #68707d;--border: #272c36;--border-strong: #363c48;--accent: #6d9bff;--accent-hover: #8aafff;--accent-soft: #1a2540;--warn: #f27aa8;--missing: #3a2a14;--missing-border: #7a5524;--ref: #18213a;--ok: #4cc38a;--mol-filter: 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#0003;font-size:13px}.modal-backdrop{position:fixed;inset:0;background:#0f121980;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--card);border-radius:10px;box-shadow:0 20px 48px #0000004d;display:flex;flex-direction:column;max-width:100%;max-height:100%;overflow:hidden}.editor-modal{width:min(1200px,100%);height:min(780px,100%)}.modal header,.modal footer{display:flex;align-items:center;gap:12px;padding:12px 16px}.modal header h3{font-size:15px;font-weight:650;white-space:nowrap}.editor-host{position:relative;flex:1;min-height:0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;color:#333}.editor-host>div{height:100%}.editor-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:1}@media(max-width:900px){.input-grid{grid-template-columns:1fr;gap:18px}.notes-grid{grid-template-columns:1fr}.brand-sub{display:none}}@media(max-width:720px){.rx-scheme{flex-direction:column;gap:4px}.rx-arrow{flex:none;flex-direction:row;align-items:center;width:100%;gap:10px}.rx-arrow-text{flex:1;min-height:0}.rx-above{justify-content:flex-end;text-align:right}.rx-below{justify-content:flex-start;text-align:left}.rx-conditions{flex-basis:auto}.rx-arrow-line{width:1.5px;height:36px;margin:0 0 2px}.rx-arrow-line:after{inset:auto auto -2px 50%;transform:translate(-50%);border-left:4.5px solid transparent;border-right:4.5px solid transparent;border-top:10px solid var(--text-2);border-bottom:0}}@media(max-width:640px){.appbar-inner{padding:8px 16px;flex-wrap:wrap}.app{padding:14px 16px 8px}.card{padding:14px 16px 16px}.table-wrap{margin:0 -16px;padding:0 16px}.title-input{font-size:19px}.doc-actions{width:100%}.top-actions{gap:6px}}@media print{body{background:#fff;color:#000}.no-print,.panel,.toast,button.icon,.stoich select.unit,.ref-slot{display:none!important}.app{padding:0}.card{border:0;padding:0;box-shadow:none}.table-wrap{margin:0;padding:0}table.stoich{min-width:0}.stoich tr:hover td{background:none}input,select,textarea{border:0!important;background:none!important;padding:0;appearance:none;box-shadow:none}.rx-mol-img,.panel-mol{filter:none}}