:root{
  --board:#132521;
  --board-deep:#0d1b18;
  --board-soft:#1c312d;
  --chalk:#f4f1df;
  --chalk-muted:#b8c5bb;
  --mint:#73e2d0;
  --mint-dark:#173d37;
  --yellow:#ffd66b;
  --pink:#ff8d9d;
  --panel:#f5f2e9;
  --panel-ink:#13211e;
  --line:rgba(244,241,223,.15);
  --shadow:0 18px 55px rgba(2,8,7,.28);
}

*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{font-family:'Inter','Noto Sans KR',sans-serif;background:var(--board-deep);color:var(--chalk);touch-action:none;-webkit-font-smoothing:antialiased}
button,a{font:inherit;color:inherit}
button{border:0;cursor:pointer}
[hidden]{display:none!important}

.chem-board{height:100%;display:flex;flex-direction:column;background:var(--board)}
.topbar{height:72px;min-height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px 0 14px;background:#f5f2e9;color:#17221f;border-bottom:1px solid rgba(0,0,0,.16);z-index:40;gap:18px}
.topbar-left,.topbar-actions,.scene-cluster{display:flex;align-items:center}
.topbar-left{gap:12px;min-width:250px}
.topbar-actions{gap:7px;justify-content:flex-end;min-width:300px}
.scene-cluster{gap:8px}
.brand-lockup{display:flex;flex-direction:column;gap:2px}
.brand-kicker,.top-label,.panel-kicker{font-family:'DM Mono',monospace;font-size:9px;line-height:1;letter-spacing:.14em;font-weight:500;color:#6d7772}
.brand-lockup h1{font-size:18px;line-height:1.1;margin:0;font-weight:800;letter-spacing:-.04em;display:flex;align-items:center;gap:7px}
.brand-dot{width:8px;height:8px;border-radius:50%;background:#2eb8a3;box-shadow:0 0 0 4px rgba(46,184,163,.13)}
.icon-btn,.text-btn,.scene-tab{height:38px;border:1px solid #d2d4ce;background:#fff;color:#24302c;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;transition:.16s ease}
.icon-btn{width:38px;font-size:20px;font-weight:600;position:relative;text-decoration:none}
.icon-btn:hover,.text-btn:hover,.scene-tab:hover{border-color:#839089;background:#fbfcf7;transform:translateY(-1px)}
.icon-btn:active,.text-btn:active,.scene-tab:active{transform:translateY(0)}
.icon-btn:disabled{cursor:not-allowed;opacity:.42;transform:none}
.home-btn{font-size:22px}
.text-btn{padding:0 12px;gap:7px;font-size:12px;font-weight:700}
.text-btn.compact{height:32px;padding:0 10px;border-radius:7px}
.scene-tabs{display:flex;border:1px solid #d2d4ce;border-radius:8px;overflow:hidden;background:#fff}
.scene-tab{width:34px;height:32px;border:0;border-right:1px solid #e0e1dc;border-radius:0;font-family:'DM Mono',monospace;font-size:11px}
.scene-tab:last-child{border-right:0}
.scene-tab.active{background:#173d37;color:#fff;box-shadow:inset 0 0 0 1px #173d37}
.save-status{display:inline-flex;align-items:center;gap:7px;padding:0 7px;color:#66716c;font-size:10px;white-space:nowrap}
.save-status span{width:7px;height:7px;background:#39a989;border-radius:50%}
.save-status.saving span{background:#e7ae39;animation:pulse 1s infinite}
.save-status.error span{background:#d85f6e}
.save-status.warning span{background:#d49a27}.save-status.warning b{color:#8b6417}
.save-status b{font-weight:600}

.board-stage{position:relative;flex:1;min-height:0;overflow:hidden;background:
  radial-gradient(circle at 75% 18%,rgba(74,135,117,.10),transparent 28%),
  linear-gradient(135deg,rgba(255,255,255,.016),transparent 45%),var(--board)}
#boardCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;touch-action:none;cursor:crosshair}#boardCanvas:focus-visible{outline:3px solid rgba(115,226,208,.72);outline-offset:-4px}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.board-grain{position:absolute;inset:0;pointer-events:none;z-index:3;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E")}

.storage-alert{position:absolute;left:50%;top:14px;transform:translateX(-50%);z-index:36;width:min(720px,calc(100% - 200px));min-height:64px;display:grid;grid-template-columns:38px minmax(170px,1fr) auto 32px;align-items:center;gap:10px;padding:10px 11px;border:1px solid #d9aeb4;border-radius:14px;background:#fff8f8;color:#342629;box-shadow:0 16px 48px rgba(0,0,0,.34)}
.storage-alert.diff-expanded{width:min(960px,calc(100% - 120px));align-items:start}.storage-alert.recovery{border-color:#d3b96c;background:#fffae9}.storage-alert.conflict{border-color:#7f72c9;background:#f7f4ff}.storage-alert.recovered-conflict{border-color:#6f98c9;background:#f2f8ff}.storage-alert.file-only{border-color:#3d8d7b;background:#effaf6}.storage-alert-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#ae4351;color:#fff;font:800 18px 'DM Mono',monospace}.storage-alert.recovery .storage-alert-icon{background:#a46d0c}.storage-alert.conflict .storage-alert-icon{background:#5748a9}.storage-alert.recovered-conflict .storage-alert-icon{background:#356b9f}.storage-alert.file-only .storage-alert-icon{background:#237262}.storage-alert-copy{min-width:0}.storage-alert-copy b{display:block;font-size:11px}.storage-alert-copy p{margin:4px 0 0;font-size:8px;line-height:1.45;color:#6c5a5e}.storage-alert.file-only .storage-alert-copy p{color:#39665d}.storage-alert-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}.storage-alert-actions button{min-height:34px;padding:0 9px;border:1px solid #d8c8ca;border-radius:8px;background:#fff;color:#45383b;font-size:8px;font-weight:800;white-space:nowrap}.storage-alert-actions button:first-child{background:#8f3542;color:#fff;border-color:#8f3542}.storage-alert.file-only #storageRetryBtn,.storage-alert.file-only #storageEmergencyBtn{background:#237262;color:#fff;border-color:#237262}.storage-alert.file-only.checkpoint-stale #storageEmergencyBtn{background:#a46d0c;border-color:#a46d0c}.storage-alert.conflict #storageRemoteBtn{background:#5748a9;color:#fff;border-color:#5748a9}.storage-alert.recovered-conflict #storageRemoteBtn{background:#356b9f;border-color:#356b9f}.storage-alert.conflict #storageDiffToggleBtn{border-color:#8d82c8;color:#51469a;background:#f0edff}.storage-alert-close{width:32px;height:32px;border-radius:50%;background:transparent;color:#68575a;font-size:18px}.storage-alert-close:hover{background:rgba(80,45,50,.08)}
.storage-alert:focus-visible{outline:3px solid #73e2d0;outline-offset:3px}.storage-alert button:focus-visible{outline:3px solid #1b7061;outline-offset:2px;box-shadow:0 0 0 2px #fff}.storage-alert.conflict button:focus-visible{outline-color:#5748a9}.storage-alert.recovery button:focus-visible,.storage-alert.recovery-choice button:focus-visible{outline-color:#8b6417}.storage-alert.keyboard-target{box-shadow:0 0 0 3px rgba(115,226,208,.55),0 16px 48px rgba(0,0,0,.34)}
.storage-alert.recovery-choice{width:min(880px,calc(100% - 120px));align-items:start;border-color:#6f98c9;background:#f2f8ff}.storage-alert.recovery-choice .storage-alert-icon{background:#356b9f}.conflict-recovery-picker{grid-column:1/-1;width:100%;min-width:0;padding:12px;border:1px solid rgba(53,107,159,.24);border-radius:12px;background:rgba(255,255,255,.82)}.conflict-recovery-picker>header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.conflict-recovery-picker header span{display:block;margin-bottom:3px;color:#356b9f;font:800 7px 'DM Mono',monospace;letter-spacing:.08em}.conflict-recovery-picker h2{margin:0;color:#223e58;font-size:13px}.conflict-recovery-picker header output{padding:4px 7px;border-radius:999px;background:#e2eef8;color:#315f8b;font:800 8px 'DM Mono',monospace;white-space:nowrap}.conflict-recovery-picker>p{margin:8px 0;color:#5d7082;font-size:8px;line-height:1.5}.conflict-recovery-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:min(390px,48vh);overflow:auto;overscroll-behavior:contain;padding:1px 3px 1px 1px}.conflict-recovery-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:10px;border:1px solid #cddce9;border-radius:10px;background:#fff}.conflict-recovery-card.latest{border-color:#5c91c1;box-shadow:inset 3px 0 #5c91c1}.conflict-recovery-card>div{min-width:0}.conflict-recovery-card-head{display:flex;align-items:center;gap:6px}.conflict-recovery-card-head b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#294a68;font-size:9px}.conflict-recovery-card-head em{padding:3px 5px;border-radius:999px;background:#dcebf7;color:#315f8b;font-size:7px;font-style:normal;font-weight:800}.conflict-recovery-card time,.conflict-recovery-card small{display:block;margin-top:4px;color:#718394;font:600 7px 'DM Mono',monospace}.conflict-recovery-stats{display:flex;gap:5px;margin-top:7px;flex-wrap:wrap}.conflict-recovery-stats span{padding:4px 6px;border-radius:6px;background:#f0f5f8;color:#4b6377;font-size:7px;font-weight:800}.conflict-recovery-card-actions{display:grid;align-content:start;gap:5px}.conflict-recovery-card-actions button{min-height:31px;padding:0 8px;border:1px solid #91b3cf;border-radius:7px;background:#fff;color:#315f8b;font-size:8px;font-weight:800;white-space:nowrap}.conflict-recovery-card-actions button[data-recovery-action="choose"]{border-color:#356b9f;background:#356b9f;color:#fff}.conflict-recovery-card-actions button:disabled{cursor:wait;opacity:.55}.conflict-recovery-warning{padding:7px 9px;border-left:3px solid #b47a2b;border-radius:0 7px 7px 0;background:#fff6e4;color:#745526!important}.storage-alert.recovery-choice .storage-alert-actions{display:none}
.storage-alert.recovery-choice.handoff-failed{border-color:#bd765e;background:#fff6f2}.storage-alert.recovery-choice.handoff-failed .storage-alert-icon{background:#a84f37}.storage-alert.recovery-choice.handoff-failed .conflict-recovery-picker{border-color:rgba(168,79,55,.3);background:#fffaf8}.storage-alert.recovery-choice.handoff-failed .conflict-recovery-picker header span,.storage-alert.recovery-choice.handoff-failed .conflict-recovery-picker h2{color:#8e402e}.storage-alert.recovery-choice.handoff-failed .conflict-recovery-card.retry{border-color:#bd765e;box-shadow:inset 3px 0 #bd765e}.storage-alert.recovery-choice.handoff-failed .conflict-recovery-card.retry button[data-recovery-action="choose"]{border-color:#a84f37;background:#a84f37}.storage-alert.recovery-choice.handoff-failed .conflict-recovery-warning{border-left-color:#a84f37;background:#fff0e9;color:#7d3d2d!important}
.recovery-center-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:10px 0}.recovery-center-summary>div{padding:9px;border:1px solid #d8e4df;border-radius:10px;background:#f7fbf9}.recovery-center-summary span{display:block;color:#70827a;font:700 7px 'DM Mono',monospace}.recovery-center-summary b{display:block;margin-top:4px;color:#173f36;font-size:15px}.recovery-center-policy{display:grid;gap:7px;padding:10px;border:1px solid #d8e4df;border-radius:11px;background:#f7fbf9}.recovery-center-policy label{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#31544b;font-size:8px;font-weight:800}.recovery-center-policy select{min-height:36px;padding:0 30px 0 9px;border:1px solid #b7ccc4;border-radius:8px;background:#fff;color:#203d36;font:800 8px 'DM Mono',monospace}.recovery-center-policy p{margin:0;color:#63756e;font-size:8px;line-height:1.5}.recovery-center-scene{margin-top:12px}.recovery-center-scene>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.recovery-center-scene>header b{color:#24473e;font-size:10px}.recovery-center-scene>header span{color:#70827a;font:700 7px 'DM Mono',monospace}.recovery-center-list{display:grid;gap:7px}.recovery-center-entry{padding:10px;border:1px solid #d7e2de;border-radius:11px;background:#fff}.recovery-center-entry.expired{border-color:#d4ad65;background:#fffbf0}.recovery-center-entry.damaged{border-color:#d39da5;background:#fff7f7}.recovery-center-entry-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.recovery-center-entry-head div{min-width:0}.recovery-center-entry-head b{display:block;color:#263f38;font-size:9px}.recovery-center-entry-head time{display:block;margin-top:3px;color:#74837d;font:600 7px 'DM Mono',monospace}.recovery-center-entry-head em{flex:none;padding:4px 6px;border-radius:999px;background:#e7f1ed;color:#315c51;font-size:7px;font-style:normal;font-weight:800}.recovery-center-entry.expired .recovery-center-entry-head em{background:#fff0ca;color:#805a13}.recovery-center-entry.damaged .recovery-center-entry-head em{background:#f8dfe3;color:#8d3d49}.recovery-center-stats{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}.recovery-center-stats span{padding:4px 6px;border-radius:6px;background:#f0f5f3;color:#526a63;font-size:7px;font-weight:800}.recovery-center-entry-note{display:block;margin-top:7px;color:#697b74;font-size:7px;line-height:1.45}.recovery-center-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.recovery-center-actions button{min-height:34px;padding:0 9px;border:1px solid #91b4a9;border-radius:8px;background:#fff;color:#27594c;font-size:8px;font-weight:800}.recovery-center-actions button.danger{border-color:#c68c95;color:#8d3544}.recovery-center-actions button.confirm{border-color:#a94252;background:#a94252;color:#fff}.recovery-center-actions button:disabled{border-color:#d7dfdc;background:#f0f3f2;color:#89938f}.recovery-center-empty{padding:18px;border:1px dashed #c7d5d0;border-radius:11px;color:#70827a;text-align:center;font-size:9px}.recovery-center-status{display:block;min-height:16px;margin-top:8px;color:#326f60;font-size:8px}.recovery-center-boundary{margin-top:12px;padding:9px 10px;border-left:3px solid #3c806f;border-radius:0 9px 9px 0;background:#eef7f4}.recovery-center-boundary b{color:#285c4f;font-size:8px}.recovery-center-boundary p{margin:4px 0 0;color:#527168;font-size:8px;line-height:1.5}
.all-scenes-emergency{margin-top:12px;padding:11px;border:1px solid #b9d2c9;border-radius:12px;background:linear-gradient(145deg,#f6fbf9,#eef7f4)}.all-scenes-emergency>header{display:flex;align-items:flex-start;justify-content:space-between;gap:9px}.all-scenes-emergency>header span{display:block;color:#47766a;font:700 7px 'DM Mono',monospace;letter-spacing:.08em}.all-scenes-emergency>header b{display:block;margin-top:3px;color:#173f36;font-size:11px}.all-scenes-emergency>header em{padding:4px 6px;border-radius:999px;background:#dceee8;color:#2c6658;font-size:7px;font-style:normal;font-weight:900}.all-scenes-emergency>p,.all-scenes-emergency>small{display:block;margin:8px 0 0;color:#597169;font-size:8px;line-height:1.5}.all-scenes-emergency-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.all-scenes-emergency-actions button{min-height:38px;padding:0 10px;border:1px solid #79a89a;border-radius:8px;background:#fff;color:#27594c;font-size:8px;font-weight:900}.all-scenes-emergency-actions button.primary{border-color:#277663;background:#277663;color:#fff}.all-scenes-emergency-actions button.danger{border-color:#a94252;background:#a94252;color:#fff}.all-scenes-emergency-actions button:disabled{border-color:#cedbd6;background:#e7eeeb;color:#899791}.all-scenes-emergency-preview{margin-top:10px;padding:10px;border:1px solid #a8c9bf;border-radius:10px;background:#fff}.all-scenes-emergency-preview.invalid{border-color:#d39da5;background:#fff7f7}.all-scenes-emergency-preview>b{display:block;color:#255a4e;font-size:9px}.all-scenes-emergency-preview.invalid>b{color:#923e4b}.all-scenes-emergency-preview>small{display:block;margin-top:4px;color:#70827a;font:600 7px 'DM Mono',monospace}.all-scenes-emergency-preview>small.warning{color:#925d16;font-family:inherit;font-weight:800}.all-scenes-emergency-preview ul{display:grid;gap:5px;margin:9px 0 0;padding:0;list-style:none}.all-scenes-emergency-preview li{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:7px;padding:7px;border-radius:8px;background:#f0f6f4}.all-scenes-emergency-preview li b{font-size:8px}.all-scenes-emergency-preview li span{color:#5c716a;font-size:7px}.all-scenes-emergency-preview li code{color:#356e60;font:700 7px 'DM Mono',monospace}
.conflict-diff-panel{grid-column:1/-1;width:100%;min-width:0;padding:12px;border:1px solid rgba(87,72,169,.22);border-radius:12px;background:rgba(255,255,255,.78)}
.conflict-diff-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.conflict-diff-mode{display:block;margin-bottom:3px;color:#685bb0;font:800 7px 'DM Mono',monospace;letter-spacing:.08em}.conflict-diff-head h2{margin:0;color:#2b2547;font-size:13px}.conflict-diff-head output{color:#5e557e;font:800 9px 'DM Mono',monospace;white-space:nowrap}.conflict-diff-notice{margin:9px 0 0;padding:8px 10px;border-left:3px solid #bc742d;border-radius:0 8px 8px 0;background:#fff4df;color:#715024;font-size:8px;line-height:1.5}
.conflict-diff-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:10px}.conflict-diff-stat{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:7px 9px;border:1px solid #ded9ee;border-radius:8px;background:#faf9ff;color:#665f7b;font-size:8px}.conflict-diff-stat b{font:800 11px 'DM Mono',monospace;color:#302950}.conflict-diff-stat.conflict b{color:#a13d52}.conflict-diff-stat.local b{color:#287b70}.conflict-diff-stat.remote b{color:#426ab1}.conflict-diff-stat.converged b{color:#7754a4}
.conflict-merge-progress{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:8px;margin-top:8px;padding:8px 9px;border:1px solid #d8d1ee;border-radius:9px;background:#f5f2ff}.conflict-merge-progress>div{display:flex;align-items:center;gap:8px;min-width:0}.conflict-merge-progress>div span{font-size:8px;font-weight:800;color:#51486d}.conflict-merge-progress output{font:700 8px 'DM Mono',monospace;color:#746b86}.conflict-merge-ready{padding:4px 7px;border-radius:999px;background:#f8e8ec;color:#91394c;font-size:7px;font-weight:800;white-space:nowrap}.conflict-merge-ready.ready{background:#e1f3ec;color:#236b5e}.conflict-merge-progress button{min-height:30px;padding:0 9px;border:1px solid #bcb2df;border-radius:7px;background:#fff;color:#55499d;font-size:8px;font-weight:800;white-space:nowrap}
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.conflict-diff-filters{display:flex;gap:5px;margin-top:10px;overflow-x:auto;scrollbar-width:none}.conflict-diff-filters::-webkit-scrollbar{display:none}.conflict-diff-filters button{min-height:30px;padding:0 10px;border:1px solid #d9d3e8;border-radius:999px;background:#fff;color:#675f7e;font-size:8px;font-weight:800;white-space:nowrap}.conflict-diff-filters button[aria-pressed="true"]{border-color:#5b4ea5;background:#5b4ea5;color:#fff}
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.vsepr-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:0 0 14px;border:1px solid #cbdad8;border-radius:12px;overflow:hidden;background:#cbdad8}.vsepr-overview>div{min-height:58px;padding:8px 5px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.vsepr-overview span{font:700 7px 'DM Mono',monospace;color:#708078}.vsepr-overview b{margin-top:5px;font:800 10px 'DM Mono',monospace;color:#23534f}.vsepr-overview>p{grid-column:1/-1;margin:0;padding:9px 10px;background:#e8f5f3;color:#24655d;font-size:8px;line-height:1.5}.vsepr-overview.stop>p{background:#f9e7e9;color:#923d4a}.vsepr-section-title{margin-top:13px}.vsepr-center-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.vsepr-center-choice{position:relative;min-height:50px;padding:7px 22px 7px 8px;border:1px solid #d7ddd8;border-radius:9px;background:#fff;color:#283730;text-align:left}.vsepr-center-choice b,.vsepr-center-choice span{display:block}.vsepr-center-choice b{font:800 10px 'DM Mono',monospace}.vsepr-center-choice span{margin-top:3px;font:700 8px 'DM Mono',monospace;color:#0d6b76}.vsepr-center-choice em{position:absolute;right:7px;top:16px;font:900 10px 'DM Mono',monospace;color:#1c7b64;font-style:normal}.vsepr-center-choice.active{background:#edf8f8;border-color:#4a9da6;box-shadow:inset 3px 0 #177885}.vsepr-center-choice.issue{border-color:#dcadb5}.vsepr-shape-card,.vsepr-polarity-card{margin-top:10px;padding:11px;border:1px solid #d6dcd7;border-radius:12px;background:#fff}.vsepr-shape-head,.vsepr-polarity-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.vsepr-shape-head span,.vsepr-shape-head strong{display:block}.vsepr-shape-head span{font:700 8px 'DM Mono',monospace;color:#738079}.vsepr-shape-head strong{margin-top:3px;font:800 18px 'DM Mono',monospace;color:#0b6671}.vsepr-shape-head em{padding:6px 8px;border-radius:99px;background:#ddf3f4;color:#0b6671;font:800 9px 'DM Mono',monospace;font-style:normal}.vsepr-shape-card dl{margin:10px 0 0;border-top:1px solid #e5e9e5}.vsepr-shape-card dl>div{display:grid;grid-template-columns:105px 1fr;gap:8px;padding:7px 0;border-bottom:1px solid #e9ece8}.vsepr-shape-card dt{font-size:8px;color:#6d7973}.vsepr-shape-card dd{margin:0;text-align:right;font:800 8px 'DM Mono',monospace;color:#33453f}.vsepr-angle-list{margin-top:10px;padding:9px;border-radius:9px;background:#172520;color:#f4f1df}.vsepr-angle-list .panel-section-title{margin-bottom:4px}.vsepr-angle-list .panel-section-title b{font-size:9px}.vsepr-angle-list .panel-section-title span{color:#a9bbb3}.vsepr-angle-list>div:not(.panel-section-title){display:flex;justify-content:space-between;gap:8px;padding:5px 0;border-top:1px solid rgba(255,255,255,.12);font:700 8px 'DM Mono',monospace}.vsepr-angle-list>div:not(.panel-section-title) b{color:#ffd76b}.vsepr-shape-card>p,.vsepr-polarity-card>p{margin:9px 0 0;font-size:8px;line-height:1.55;color:#68736d}.vsepr-polarity-card.polar{border-color:#e1b8bf;background:#fff7f8}.vsepr-polarity-card.nonpolar{border-color:#bcd8d2;background:#f5fbf9}.vsepr-polarity-card.not-assigned{border-color:#e3c989;background:#fff9e8}.vsepr-polarity-head>div span,.vsepr-polarity-head>div strong{display:block}.vsepr-polarity-head span{font:700 7px 'DM Mono',monospace;color:#718078}.vsepr-polarity-head strong{margin-top:4px;font:800 14px 'DM Mono',monospace;color:#9a3f4d}.vsepr-polarity-card.nonpolar strong{color:#176957}.vsepr-polarity-card.not-assigned strong{color:#8a5c0d}.vsepr-polarity-head output{padding:6px 8px;border-radius:99px;background:#172520;color:#ffd76b;font:800 8px 'DM Mono',monospace}.vsepr-pull-list{margin-top:9px;display:flex;flex-direction:column;gap:4px}.vsepr-pull-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:7px;background:#fff;border:1px solid #e1e5e1;font:700 8px 'DM Mono',monospace}.vsepr-pull-row b{color:#a54c5a}.vsepr-pull-list>span{font-size:8px;color:#6d7872}.vsepr-boundary{margin:11px 0 0;padding:10px;border-left:3px solid #167783;border-radius:0 9px 9px 0;background:#eaf6f6;color:#315d60}.vsepr-boundary.stop{border-left-color:#ad4655;background:#f9e9eb;color:#713b43}.vsepr-boundary b,.vsepr-boundary strong{display:block}.vsepr-boundary b{font-size:9px}.vsepr-boundary strong{margin-top:5px;font:800 11px 'DM Mono',monospace}.vsepr-boundary p{margin:6px 0 0;font-size:8px;line-height:1.55}.vsepr-open-lewis{width:100%;min-height:42px;margin-top:12px;border:0;border-radius:9px;background:#a7670a;color:#fff;font-size:10px;font-weight:800}.vsepr-sources{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.vsepr-sources a{display:inline-flex;align-items:center;padding:7px 8px;border-radius:8px;background:#eef1ed;color:#22665d;font:800 7px 'DM Mono',monospace;text-decoration:none}

.stoichiometry-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:13px}.stoichiometry-tabs button{min-height:42px;border:1px solid #d5d9d3;border-radius:9px;background:#fff;color:#53615b;font-size:10px;font-weight:800}.stoichiometry-tabs button.active{background:#173d37;border-color:#173d37;color:#fff}.stoichiometry-converter,.stoichiometry-equation,.stoichiometry-reactants{padding:13px;border:1px solid #d8ddd7;border-radius:12px;background:#fff}.stoichiometry-converter label,.stoichiometry-equation>label,.stoichiometry-reactant-row label{display:block}.stoichiometry-converter label>span,.stoichiometry-equation>label,.stoichiometry-reactant-row label>span{display:block;margin-bottom:6px;font-size:8px;font-weight:800;color:#617069}.stoichiometry-converter input,.stoichiometry-converter select,.stoichiometry-equation input,.stoichiometry-reactant-row input,.stoichiometry-reactant-row select{width:100%;height:40px;border:1px solid #cdd3cd;border-radius:8px;background:#fbfcf9;color:#17231f;padding:0 10px;font:700 10px 'DM Mono',monospace}.stoichiometry-amount-row{display:grid;grid-template-columns:2fr 1fr;gap:8px;margin-top:9px}.stoichiometry-converter>button,.stoichiometry-reactants>button{width:100%;min-height:42px;margin-top:11px;border-radius:9px;background:#176b5d;color:#fff;font-size:10px;font-weight:800}.stoichiometry-feedback{margin-top:10px;padding:10px;border-radius:9px;background:#e7f4ee;color:#265c50;font-size:9px;line-height:1.5}.stoichiometry-feedback.is-error{background:#f9e7ea;color:#923d4a}.conversion-result{margin-top:10px;padding:12px;border:1px solid #b9d9d0;border-radius:12px;background:#edf8f4}.conversion-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.conversion-heading span,.conversion-heading strong{display:block}.conversion-heading span{font:800 7px 'DM Mono',monospace;color:#6b7d76}.conversion-heading strong{margin-top:3px;font:800 18px 'DM Mono',monospace;color:#17675a}.conversion-heading em{padding:6px 8px;border-radius:99px;background:#d8eee7;color:#176957;font:800 8px 'DM Mono',monospace;font-style:normal}.conversion-terms{display:flex;gap:5px;flex-wrap:wrap;margin-top:9px}.conversion-terms span{padding:5px 7px;border-radius:7px;background:#fff;color:#53635d;font:700 7px 'DM Mono',monospace}.conversion-terms .unavailable{background:#fff2d7;color:#785b1b}.quantity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:9px;border:1px solid #cbded8;border-radius:9px;overflow:hidden;background:#cbded8}.quantity-grid>div{min-width:0;padding:8px 6px;background:#fff}.quantity-grid span,.quantity-grid b{display:block}.quantity-grid span{font:700 7px 'DM Mono',monospace;color:#708078}.quantity-grid b{margin-top:4px;font:800 9px 'DM Mono',monospace;color:#263b34;overflow-wrap:anywhere}.conversion-result>p{margin:8px 0 0;font-size:8px;color:#61716a}.stoichiometry-equation>div{display:flex;gap:7px;margin-top:7px}.stoichiometry-equation input{min-width:0}.stoichiometry-equation button{flex:none;min-height:40px;padding:0 10px;border-radius:8px;background:#173d37;color:#fff;font-size:9px;font-weight:800}.stoichiometry-balanced{margin:10px 0;padding:10px;border-radius:10px;background:#172520;color:#f4f1df}.stoichiometry-balanced span,.stoichiometry-balanced strong{display:block}.stoichiometry-balanced span{font:800 7px 'DM Mono',monospace;color:#8de3d4}.stoichiometry-balanced strong{margin-top:5px;font:800 11px 'DM Mono',monospace;overflow-wrap:anywhere}.stoichiometry-reactant-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:7px}.stoichiometry-reactant-head b{font-size:10px}.stoichiometry-reactant-head span{font:700 7px 'DM Mono',monospace;color:#718078}.stoichiometry-reactant-row{display:grid;grid-template-columns:1fr 88px;gap:7px;padding:8px 0;border-top:1px solid #e5e9e5}.stoichiometry-result{margin-top:10px;padding:12px;border:1px solid #dfc67c;border-radius:12px;background:#fff9e8}.stoichiometry-result-head{display:grid;grid-template-columns:1fr auto;gap:3px 8px}.stoichiometry-result-head span{font:800 7px 'DM Mono',monospace;color:#886614}.stoichiometry-result-head strong{grid-column:1;font:800 15px 'DM Mono',monospace;color:#785711}.stoichiometry-result-head em{grid-column:2;grid-row:1/3;align-self:center;padding:6px 8px;border-radius:99px;background:#173d37;color:#ffd76b;font:800 8px 'DM Mono',monospace;font-style:normal}.stoichiometry-result-section{margin-top:10px}.stoichiometry-result-section>b{font-size:9px;color:#5b675f}.stoichiometry-result-row{display:grid;grid-template-columns:72px 1fr;gap:3px 8px;margin-top:6px;padding:7px 8px;border:1px solid #e2e5df;border-radius:8px;background:#fff}.stoichiometry-result-row span{grid-row:1/3;font:800 9px 'DM Mono',monospace}.stoichiometry-result-row b{font:800 8px 'DM 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8px;border-radius:8px;background:#e9efeb;color:#21665c;text-decoration:none;font:800 7px 'DM Mono',monospace}

.recognition-popover{position:absolute;z-index:35;left:50%;top:50%;transform:translate(-50%,-50%);width:min(430px,calc(100% - 32px));background:#f7f4ec;color:#17231f;border-radius:17px;box-shadow:0 24px 90px rgba(0,0,0,.48);padding:18px;border:1px solid rgba(255,255,255,.5)}
.recognition-head{display:flex;gap:11px;align-items:center;border-bottom:1px solid #d8dad4;padding-bottom:14px}
.ai-orbit{width:36px;height:36px;border-radius:50%;background:#173d37;color:#ffd66b;display:flex;align-items:center;justify-content:center;font-size:19px}
.recognition-head b{display:block;font-size:15px}.recognition-head small{display:block;font-size:10px;color:#68736e;margin-top:4px}
.recognition-loading{height:112px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:11px;color:#58655f}
.loading-ring{width:20px;height:20px;border-radius:50%;border:2px solid #cdd4cf;border-top-color:#218878;animation:spin .75s linear infinite}
.candidate-list{display:flex;flex-direction:column;gap:8px;padding:14px 0 4px;max-height:310px;overflow:auto}
.candidate-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid #d9dbd5;border-radius:10px;padding:11px 12px;text-align:left;color:#1b2824}
.candidate-btn:hover{border-color:#398b7c;background:#f9fdfb}.candidate-main b{font-size:12px}.candidate-main small{display:block;font-family:'DM Mono',monospace;color:#4e6d64;margin-top:3px}.confidence{font-family:'DM Mono',monospace;font-size:9px;color:#708079;background:#edf2ef;padding:4px 6px;border-radius:99px}
.recognition-actions{display:flex;justify-content:flex-end;margin-top:10px}

.board-empty{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;text-align:center;width:min(580px,70%);pointer-events:none;color:#d8ddce;transition:opacity .2s}
.board-empty.is-hidden{opacity:0;visibility:hidden}
.empty-formula{font-family:'DM Mono',monospace;font-size:42px;color:rgba(115,226,208,.24);margin-bottom:15px;text-shadow:0 0 18px rgba(115,226,208,.06)}
.board-empty h2{font-size:19px;margin:0 0 8px;letter-spacing:-.035em;font-weight:600}.board-empty p{font-size:11px;line-height:1.65;color:#91a198;margin:0 auto;max-width:520px}
.empty-actions{display:flex;gap:9px;justify-content:center;margin-top:20px;pointer-events:auto}
.ghost-action{height:48px;border:1px solid rgba(244,241,223,.18);background:rgba(0,0,0,.14);color:#c8d2c9;border-radius:10px;padding:0 13px;display:flex;align-items:center;gap:9px;backdrop-filter:blur(5px)}
.ghost-action:hover{background:rgba(244,241,223,.09);border-color:rgba(115,226,208,.5)}
.ghost-action span{font-family:'DM Mono',monospace;color:#7fd7c8}.ghost-action b{font-size:10px}

.toast{position:absolute;z-index:60;left:50%;bottom:22px;transform:translateX(-50%);padding:10px 14px;border-radius:9px;background:#f5f2e9;color:#1b2824;font-size:11px;font-weight:700;box-shadow:0 8px 35px rgba(0,0,0,.35);animation:toastIn .18s ease}
.help-dialog{position:fixed;inset:0;z-index:100;background:rgba(3,10,8,.68);display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(5px)}
.help-card{width:min(470px,100%);background:#f7f4ec;color:#17231f;border-radius:18px;padding:25px;position:relative;box-shadow:0 25px 90px rgba(0,0,0,.5)}
[role="dialog"][tabindex="-1"]:focus{outline:3px solid var(--mint);outline-offset:3px}
.help-card>.panel-close{position:absolute;right:15px;top:15px}.help-card h2{margin:8px 0 19px;font-size:22px}.help-card ol{list-style:none;padding:0;margin:0;counter-reset:steps}.help-card li{counter-increment:steps;display:grid;grid-template-columns:34px 1fr;grid-template-rows:auto auto;column-gap:10px;padding:11px 0;border-top:1px solid #d9dcd5}.help-card li::before{content:counter(steps);grid-row:1/3;width:28px;height:28px;border-radius:50%;background:#173d37;color:#fff;display:flex;align-items:center;justify-content:center;font-family:'DM Mono',monospace;font-size:10px}.help-card li b{font-size:12px}.help-card li span{font-size:10px;color:#66726c;margin-top:3px}.safety-note{font-size:10px;line-height:1.6;background:#fff1cf;padding:10px 12px;border-radius:8px;margin:15px 0 0}

.merge-apply-dialog{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(3,10,8,.76);backdrop-filter:blur(7px)}
.merge-apply-card{position:relative;width:min(560px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:25px;border:1px solid rgba(255,255,255,.6);border-radius:19px;background:#f7f4ec;color:#17231f;box-shadow:0 30px 110px rgba(0,0,0,.58)}.merge-apply-card>.panel-close{position:absolute;right:15px;top:15px}.merge-apply-card h2{margin:8px 44px 5px 0;font-size:22px}.merge-apply-card>p{font-size:10px;line-height:1.55}.merge-apply-card>#mergeApplyDescription{margin:0 44px 18px 0;color:#65716b}
.merge-apply-metadata{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:0}.merge-apply-metadata>div{min-width:0;padding:10px;border:1px solid #d7ddd8;border-radius:10px;background:#fff}.merge-apply-metadata dt{color:#738079;font:700 7px 'DM Mono',monospace}.merge-apply-metadata dd{margin:4px 0 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#1d6557;font:800 10px 'DM Mono',monospace}.merge-apply-metadata>div:nth-last-child(-n+2){grid-column:span 2}
.merge-apply-warning{margin:10px 0 0;padding:10px 12px;border-left:3px solid #b07a13;border-radius:0 9px 9px 0;background:#fff2cf;color:#70561d}.merge-apply-error{margin:10px 0 0;padding:10px 12px;border:1px solid #dfb1b7;border-radius:9px;background:#fff0f2;color:#812f3c;font-weight:700}
.merge-apply-actions{display:flex;justify-content:flex-end;gap:7px;margin-top:16px}.merge-apply-actions button{min-height:40px;padding:0 14px;border:1px solid #cfd5d0;border-radius:9px;background:#fff;color:#2c3b36;font-size:9px;font-weight:800}.merge-apply-actions button.primary{background:#176b5d;color:#fff;border-color:#176b5d}.merge-apply-actions button:disabled{cursor:wait;opacity:.55}

.import-dialog{position:fixed;inset:0;z-index:110;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(3,10,8,.72);backdrop-filter:blur(6px)}
.import-card{position:relative;width:min(620px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:25px;border:1px solid rgba(255,255,255,.55);border-radius:19px;background:#f7f4ec;color:#17231f;box-shadow:0 28px 100px rgba(0,0,0,.54)}
.import-card>.panel-close{position:absolute;right:15px;top:15px}.import-card h2{margin:8px 44px 5px 0;font-size:22px}.import-description{margin:0 44px 18px 0;color:#65716b;font-size:10px;line-height:1.55}
.import-file-head{display:flex;align-items:center;gap:11px;padding:12px;border:1px solid #cdd8d2;border-radius:12px;background:#fff}.import-file-head>span{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:10px;background:#173d37;color:#8de3d4;font:800 10px 'DM Mono',monospace}.import-file-head b,.import-file-head small{display:block}.import-file-head b{max-width:480px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.import-file-head small{margin-top:4px;color:#3e7569;font:800 7px 'DM Mono',monospace}
.import-metadata{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:10px 0 0}.import-metadata>div{min-width:0;padding:9px;border:1px solid #d9ddd7;border-radius:10px;background:#fff}.import-metadata dt{color:#738079;font:700 7px 'DM Mono',monospace}.import-metadata dd{margin:4px 0 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#244b42;font:800 10px 'DM Mono',monospace}.import-metadata>div:nth-last-child(-n+2){grid-column:span 2}
.import-target{display:grid;grid-template-columns:1fr 150px;align-items:center;gap:12px;margin-top:11px;padding:11px;border:1px solid #d6dcd7;border-radius:11px;background:#fff}.import-target span{font-size:10px;font-weight:800}.import-target select{width:100%;height:40px;padding:0 10px;border:1px solid #cbd3ce;border-radius:8px;background:#f7f8f5;color:#21332d;font:800 9px 'DM Mono',monospace}
.import-conflict-note{margin:9px 0 0;padding:9px 11px;border-left:3px solid #b07a13;border-radius:0 9px 9px 0;background:#fff2cf;color:#70561d;font-size:9px;line-height:1.5}
.import-stage-assets{margin:9px 0 0;padding:10px 11px;border-left:3px solid #2b7f6c;border-radius:0 9px 9px 0;background:#e8f7f1;color:#245e52;font-size:9px;line-height:1.5}.import-stage-assets b{display:block;font:800 8px 'DM Mono',monospace;letter-spacing:.04em}.import-stage-assets p{margin:4px 0 0}
.import-invalid{display:flex;align-items:flex-start;gap:11px;padding:15px;border:1px solid #dfb1b7;border-radius:12px;background:#fff0f2;color:#6f2b35}.import-invalid>span{width:34px;height:34px;display:grid;place-items:center;flex:none;border-radius:50%;background:#aa4050;color:#fff;font-weight:900}.import-invalid b{font-size:12px}.import-invalid p{margin:5px 0 0;font-size:9px;line-height:1.55}
.import-actions{display:flex;justify-content:flex-end;gap:7px;margin-top:16px}.import-actions button{min-height:40px;padding:0 13px;border:1px solid #cfd5d0;border-radius:9px;background:#fff;color:#2c3b36;font-size:9px;font-weight:800}.import-actions button.primary{background:#176b5d;color:#fff;border-color:#176b5d}.import-actions button:disabled{cursor:not-allowed;opacity:.45;background:#dfe4e0;color:#748079;border-color:#d2d7d3}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{opacity:.35}}
@keyframes panelIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes electronPush{to{stroke-dashoffset:-14}}
@keyframes photonRise{to{transform:translateY(-5px)}}

@media(max-width:980px){
  .topbar{padding:0 10px;gap:8px}.topbar-left{min-width:0}.topbar-actions{min-width:0}.brand-kicker,.top-label{display:none}.save-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}.scene-cluster{margin-left:auto}.text-btn span:last-child{display:none}.text-btn{width:38px;padding:0}.brand-lockup h1{font-size:15px}.topbar-actions #undoBtn,.topbar-actions #redoBtn{width:44px;height:44px}
  .object-bar{overflow-x:auto}.object-bar::-webkit-scrollbar{display:none}
  .storage-alert,.storage-alert.diff-expanded{width:calc(100% - 28px);grid-template-columns:34px minmax(130px,1fr) 32px}.storage-alert-actions{grid-column:1/4;justify-content:flex-start;padding-left:44px}.storage-alert-close{grid-column:3;grid-row:1;justify-self:end}.conflict-diff-list{grid-template-columns:1fr}
}

@media(max-width:640px),(max-height:540px) and (max-width:1024px){
  .topbar{height:58px;min-height:58px;padding:0 8px;gap:4px}.topbar-left{min-width:44px;gap:0}.brand-lockup{display:none}.home-btn{width:44px;height:44px}.scene-cluster{margin-left:0;gap:0;flex:none}.scene-tabs{border-radius:10px}.scene-tab{width:44px;height:44px}.scene-cluster>.text-btn{display:none}.topbar-actions{margin-left:auto;min-width:0;gap:4px;flex:none}.icon-btn,.text-btn{width:44px;min-width:44px;height:44px;flex:0 0 44px}.mobile-header-actions{display:none}.mobile-header-more{display:inline-flex}.mobile-header-actions.is-mobile-header-actions-open{position:fixed;top:64px;right:8px;z-index:45;display:grid;width:min(252px,calc(100vw - 16px));padding:7px;border:1px solid rgba(244,241,223,.24);border-radius:14px;background:rgba(7,18,15,.96);box-shadow:0 18px 42px rgba(2,8,7,.38);gap:5px}.mobile-header-actions.is-mobile-header-actions-open .text-btn{width:100%;height:44px;padding:0 11px;justify-content:flex-start;gap:10px;border-color:rgba(244,241,223,.18);background:rgba(255,255,255,.08);color:#f4f1df}.mobile-header-actions.is-mobile-header-actions-open .mobile-save-action{display:flex}.mobile-header-actions.is-mobile-header-actions-open .text-btn span:last-child{display:inline;font-size:11px}.mobile-header-actions.is-mobile-header-actions-open .text-btn span:first-child{width:18px;text-align:center;font-size:16px}
  .topbar-actions #undoBtn,.topbar-actions #redoBtn{display:inline-flex;position:fixed;z-index:25;bottom:calc(80px + env(safe-area-inset-bottom,0px));width:48px;height:48px;border-color:rgba(244,241,223,.34);background:#f5f2e9;color:#17221f;box-shadow:0 8px 26px rgba(2,8,7,.34)}.topbar-actions #undoBtn{left:calc(8px + env(safe-area-inset-left,0px))}.topbar-actions #redoBtn{left:calc(62px + env(safe-area-inset-left,0px))}.topbar-actions #undoBtn:disabled,.topbar-actions #redoBtn:disabled{border-color:rgba(244,241,223,.2);background:#d9ddd7;color:#69736e;opacity:.78;box-shadow:0 5px 16px rgba(2,8,7,.24)}.chem-board:has(.storage-alert:not([hidden])) #undoBtn,.chem-board:has(.storage-alert:not([hidden])) #redoBtn,.chem-board:has(.side-panel:not([hidden])) #undoBtn,.chem-board:has(.side-panel:not([hidden])) #redoBtn{visibility:hidden;pointer-events:none}
  .toast{bottom:calc(140px + env(safe-area-inset-bottom,0px));max-width:calc(100% - 16px);text-align:center}
  .tool-rail{left:50%;top:auto;bottom:max(10px,env(safe-area-inset-bottom));transform:translateX(-50%);width:calc(100% - 16px);max-width:326px;min-height:60px;height:auto;padding:5px 7px;display:grid;grid-template-columns:repeat(6,48px);grid-auto-rows:48px;justify-content:center;gap:4px;border-radius:15px;overflow:visible}.tool-rail .rail-divider{display:none}.tool-rail .tool-btn{width:48px;min-width:48px;min-height:48px}.tool-rail [data-tool="pen"]{grid-column:1;grid-row:1}.tool-rail [data-tool="select"]{grid-column:2;grid-row:1}.tool-rail [data-tool="eraser"]{grid-column:3;grid-row:1}.tool-rail #formulaBuilderBtn{grid-column:4;grid-row:1}.tool-rail #reactionBtn{grid-column:5;grid-row:1}.tool-rail .mobile-tool-more{display:flex;grid-column:6;grid-row:1}.tool-rail [data-mobile-overflow]{display:none}.chem-board:has(.tool-rail.is-mobile-tools-open) #undoBtn,.chem-board:has(.tool-rail.is-mobile-tools-open) #redoBtn{visibility:hidden;pointer-events:none}.tool-rail.is-mobile-tools-open{z-index:26;box-shadow:0 14px 32px rgba(2,8,7,.44)}.tool-rail.is-mobile-tools-open [data-tool="pen"]{grid-row:3}.tool-rail.is-mobile-tools-open [data-tool="select"]{grid-row:3}.tool-rail.is-mobile-tools-open [data-tool="eraser"]{grid-row:3}.tool-rail.is-mobile-tools-open #formulaBuilderBtn{grid-row:3}.tool-rail.is-mobile-tools-open #reactionBtn{grid-row:3}.tool-rail.is-mobile-tools-open .mobile-tool-more{grid-row:3}.tool-rail.is-mobile-tools-open #atomLibraryBtn{display:flex;grid-column:1;grid-row:2}.tool-rail.is-mobile-tools-open #moleculeLibraryBtn{display:flex;grid-column:2;grid-row:2}.tool-rail.is-mobile-tools-open #stoichiometryBtn{display:flex;grid-column:3;grid-row:2}.tool-rail.is-mobile-tools-open #labLibraryBtn{display:flex;grid-column:4;grid-row:2}.tool-rail.is-mobile-tools-open #objectManagerBtn{display:flex;grid-column:5;grid-row:2}.tool-rail.is-mobile-tools-open .color-palette{display:grid;grid-column:1/-1;grid-row:1;grid-template-columns:repeat(4,minmax(44px,1fr));align-items:center;gap:5px;min-width:0;padding:2px 4px}.tool-rail.is-mobile-tools-open .color-dot{width:44px;height:44px}.color-dot{width:14px;height:14px}
  .storage-alert,.storage-alert.diff-expanded{left:8px;right:8px;top:8px;width:auto;transform:none;grid-template-columns:34px minmax(0,1fr) 44px;padding:9px;max-height:calc(100% - 16px);overflow:auto}.storage-alert-actions{grid-column:1/4;padding-left:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.storage-alert-actions button{min-height:44px;padding:0 6px}.storage-alert.interrupted #storageDownloadBtn,.storage-alert.conflict #storageDownloadBtn{grid-column:1/3}.storage-alert-close{width:44px;height:44px}.conflict-diff-panel{padding:10px}.conflict-diff-head{gap:8px}.conflict-diff-head output{white-space:normal;text-align:right}.conflict-diff-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.conflict-merge-progress{grid-template-columns:minmax(0,1fr) auto}.conflict-merge-progress>div{display:grid;gap:3px}.conflict-merge-progress button{grid-column:1/3;min-height:44px}.conflict-merge-preview{grid-template-columns:1fr}.conflict-merge-preview span{white-space:normal}.conflict-merge-preview small{grid-column:1}.conflict-merge-preview>button{grid-column:1;grid-row:auto;min-height:44px;margin-top:5px}.conflict-diff-filters button{min-height:44px}.conflict-diff-list{max-height:none;overflow:visible}.conflict-diff-row{grid-template-columns:30px minmax(0,1fr) auto}.conflict-diff-paths code{max-width:116px}.conflict-merge-choice button{min-height:44px}
  .side-panel{left:8px;right:8px;top:8px;bottom:79px;width:auto}.side-panel .panel-resize-handle{display:none}.selection-bar,.object-bar{left:8px!important;right:8px!important;top:8px!important;bottom:auto;max-width:none;overflow-x:auto}.selection-bar::-webkit-scrollbar,.object-bar::-webkit-scrollbar{display:none}.selection-count{display:none}
  .object-bar.has-horizontal-overflow{padding-right:31px;scroll-padding-right:31px}.object-bar.has-horizontal-overflow::after{position:absolute;right:5px;top:50%;z-index:2;width:25px;height:30px;display:grid;place-items:center;transform:translateY(-50%);border-radius:8px;background:linear-gradient(90deg,rgba(245,242,233,0),rgba(245,242,233,.96) 35%);color:#286c5d;font:900 16px/1 'DM Mono',monospace;pointer-events:none}.object-bar.has-horizontal-overflow.is-scroll-start::after{content:'→'}.object-bar.has-horizontal-overflow.is-scroll-middle::after{content:'↔'}.object-bar.has-horizontal-overflow.is-scroll-end::after{content:'←'}
  .object-bar .bar-btn,.object-bar .mode-switch,.object-bar .gesture-switch,.object-bar .zoom-switch,.object-bar .hydrogen-switch,.object-bar .geometry-audit-switch,.object-bar .atom-pick-clear,.object-bar .distance-measure-btn,.object-bar .atom-charge,.object-bar .electron-switch,.object-bar .electron-motion,.object-bar .electron-speed,.object-bar .lewis-editor-switch,.object-bar .vsepr-switch,.object-bar .resonance-switch,.object-bar .resonance-detail,.object-bar .orbital-switch,.object-bar .orbital-option,.object-bar .mo-switch,.object-bar .mo-detail,.object-bar .mo-transition-switch,.object-bar .bond-order-switch{height:44px;min-width:44px}.object-bar .bar-btn.icon-only{width:44px}.object-bar .zoom-level{min-width:48px}.object-bar .hydrogen-count,.object-bar .electron-count{min-width:45px}.object-bar .geometry-audit-status,.object-bar .atom-pick-status,.object-bar .bond-pick-status,.object-bar .bond-order-status,.object-bar .distance-measure-status,.object-bar .angle-measure-status,.object-bar .torsion-measure-status,.object-bar .stereo-read-status,.object-bar .atom-charge-status,.object-bar .atom-shell-status,.object-bar .electron-edu,.object-bar .lewis-editor-status,.object-bar .vsepr-status,.object-bar .resonance-count,.object-bar .orbital-count,.object-bar .mo-count,.object-bar .mo-transition-count{min-height:28px;display:inline-flex;align-items:center;justify-content:center}
  .object-bar .valence-status,.object-bar .board-lewis-status,.object-bar .board-formula-status{min-height:28px;display:inline-flex;align-items:center;justify-content:center}.object-bar .measurement-pin-btn{height:44px;min-width:44px}.object-bar .measurement-pin-count{min-height:28px;display:inline-flex;align-items:center;justify-content:center}
  .board-formula-review-card{align-items:stretch;flex-direction:column}.board-formula-review-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.board-formula-review-actions .panel-action{width:100%;min-width:0}
  .board-formula-2d-candidate{min-height:52px}.board-formula-2d-candidate em{min-height:28px;display:inline-flex;align-items:center}
  .resonance-playback{grid-template-columns:1fr 44px 48px 44px}.resonance-playback button{height:44px;min-width:44px}.side-panel .panel-close{width:44px;height:44px}.object-manager-actions button{min-height:44px}.object-manager-row{grid-template-columns:44px minmax(0,1fr) 44px 44px}.object-manager-mark,.object-manager-toggle{width:44px;height:44px}.object-manager-select{min-height:44px}.object-manager-order{grid-column:1/5}.object-manager-order button{min-height:44px}
  .contributor-choice{grid-template-columns:126px 1fr}.resonance-mini-svg{width:122px;height:102px}
  .mo-energy-row{grid-template-columns:58px 1fr}.mo-energy-label{font-size:8px}.mo-choice{grid-template-columns:36px 1fr}.mo-phase-svg{width:34px;height:34px}.mo-frontier-grid{grid-template-columns:1fr}.phenol-mixing{grid-template-columns:1fr 28px 1fr}
  .transition-state-tabs button,.transition-player button{height:44px;min-width:44px}.transition-config{min-height:60px}.conservation-grid{grid-template-columns:1fr}.selection-rule-card dl>div{grid-template-columns:76px 1fr}
  .basis-angle-control{grid-template-columns:72px 1fr}.basis-angle-control button{min-height:44px}.symmetry-channel-tabs button{min-height:54px}.state-layer-audit{grid-template-columns:1fr}.csf-tabs button{min-height:54px}.polarization-tabs button{min-height:60px}.uv-cursor-presets button{min-height:44px}.uv-axis-cursor input[type=range]{height:44px}.spectrum-metadata{grid-template-columns:1fr}.spectrum-metadata>div,.spectrum-metadata>div:nth-last-child(-n+2){grid-column:1}.spectrum-links a{min-height:44px;align-items:center}
  .formula-input-row input,.formula-input-row button{height:44px}.formula-examples button{min-width:44px;min-height:44px}.formula-result-wrap{grid-template-columns:1fr}.formula-result-card{grid-template-columns:64px 1fr auto;min-height:92px;padding:10px}.formula-result-2d{min-height:44px}.formula-result-symbol{font-size:14px}.formula-audit-head{align-items:center}.formula-graph-summary,.formula-aromatic-summary,.formula-stereo-summary,.formula-structure2d-metrics,.formula-electron-metrics,.formula-conformer3d-metrics{grid-template-columns:1fr 1fr}.formula-graph-summary>div,.formula-aromatic-summary>div,.formula-stereo-summary>div,.formula-structure2d-metrics>div,.formula-electron-metrics>div,.formula-conformer3d-metrics>div{min-height:44px}.formula-electron-atoms{grid-template-columns:1fr}.formula-electron-atoms>p{grid-column:1}.formula-electron-sources a{min-height:44px;display:flex;align-items:center}.formula-conformer-electron-controls{grid-template-columns:1fr 1fr 54px}.formula-conformer-electron-controls button,.formula-conformer3d-place{min-height:44px}.formula-graph-compare input,.formula-graph-compare button,.formula-structure2d>button{height:44px}.formula-compare-grid{grid-template-columns:1fr}.formula-compare-card dl{grid-template-columns:1fr 1fr}.formula-compare-launch{min-height:44px}.structure2d-electron-ledger dl{grid-template-columns:1fr 1fr}
  .reaction-input-row{flex-direction:column}.reaction-input-row input,.reaction-input-row button{height:44px}.reaction-input-row button{width:100%}.reaction-examples button{min-width:44px;min-height:44px}.reaction-place{min-height:44px}.reaction-structure-batch button{min-height:44px}.reaction-conservation-label,.reaction-conservation-row{grid-template-columns:1fr 42px 16px 42px 18px}.reaction-structure-row{grid-template-columns:64px 1fr}
  .lewis-summary{grid-template-columns:1fr 1fr}.lewis-atom-choice{min-height:56px}.lewis-stepper{grid-template-columns:44px 44px 44px}.lewis-stepper button,.lewis-stepper output{height:44px}.lewis-order-tabs{grid-template-columns:repeat(3,44px)}.lewis-order-tabs button{height:44px}.lewis-reset{min-height:44px}
  .vsepr-overview{grid-template-columns:1fr 1fr}.vsepr-overview>div:nth-child(3){grid-column:1/3}.vsepr-center-choice{min-height:56px}.vsepr-open-lewis{min-height:44px}.vsepr-sources a{min-height:44px}.vsepr-shape-card dl>div{grid-template-columns:94px 1fr}
  .periodic-search input,.periodic-filters button,.periodic-place,.atom-charge-editor button,.atom-common-charges button,.periodic-sources a{min-height:44px}.atom-charge-editor>div{grid-template-columns:44px 48px 44px}.atom-charge-editor button,.atom-common-charges button{min-width:44px}.periodic-filters{grid-template-columns:repeat(5,44px) 1fr;overflow-x:auto}.periodic-main-grid{width:860px;grid-template-columns:repeat(18,44px);grid-template-rows:repeat(7,48px)}.periodic-element{min-height:44px}.periodic-series{width:730px}.periodic-series>div{grid-template-columns:repeat(15,44px)}.periodic-series .periodic-element{height:44px}.periodic-result-grid{grid-template-columns:1fr}.periodic-result-grid>p{grid-column:1}.atom-preview dl>div{grid-template-columns:94px 1fr}.atom-preview-symbol{grid-template-columns:34px 58px 1fr}
  .stoichiometry-tabs button,.stoichiometry-converter input,.stoichiometry-converter select,.stoichiometry-converter>button,.stoichiometry-equation input,.stoichiometry-equation button,.stoichiometry-reactant-row input,.stoichiometry-reactant-row select,.stoichiometry-reactants>button,.stoichiometry-place,.stoichiometry-sources a{min-height:44px}.stoichiometry-equation>div{flex-direction:column}.stoichiometry-equation button{width:100%}.stoichiometry-reactant-row{grid-template-columns:1fr 96px}.quantity-grid{grid-template-columns:1fr}.conversion-heading{align-items:flex-start}.conversion-heading em{max-width:145px;text-align:center}.stoichiometry-result-head{grid-template-columns:1fr}.stoichiometry-result-head em{grid-column:1;grid-row:auto;justify-self:start}.stoichiometry-result-row{grid-template-columns:64px 1fr}
  .merge-apply-dialog,.import-dialog{padding:8px}.merge-apply-card,.import-card{max-height:calc(100vh - 16px);padding:18px 14px}.merge-apply-card>.panel-close,.import-card>.panel-close{width:44px;height:44px;right:8px;top:8px}.merge-apply-card h2,.import-card h2{font-size:18px}.merge-apply-card>#mergeApplyDescription,.import-description{margin-right:40px}.merge-apply-metadata,.import-metadata{grid-template-columns:1fr 1fr}.merge-apply-metadata>div:nth-last-child(-n+2),.import-metadata>div:nth-last-child(-n+2){grid-column:span 1}.import-target{grid-template-columns:1fr}.import-target select{height:44px}.merge-apply-actions,.import-actions{display:grid;grid-template-columns:1fr 1fr}.merge-apply-actions button,.import-actions button{min-height:44px}.import-actions button.primary{grid-column:1/3}
  .board-empty{width:88%;top:43%}.empty-formula{font-size:31px}.board-empty h2{font-size:15px}.board-empty p{font-size:10px}.empty-actions{flex-direction:column;align-items:center}.ghost-action{height:42px}
  .library-grid{grid-template-columns:1fr 1fr}.molecule-card{min-height:105px}
}

@media(max-width:350px){
  .tool-rail{width:calc(100% - 12px);max-width:none;padding:5px;grid-template-columns:repeat(6,44px);gap:2px}.tool-rail .tool-btn{width:44px;min-width:44px}.tool-rail.is-mobile-tools-open .color-palette{grid-template-columns:repeat(4,minmax(44px,1fr));gap:2px;padding:2px}.tool-rail.is-mobile-tools-open .color-dot{width:44px;height:44px}
}

@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
.structure-bond-detail-hero{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:13px;border-radius:12px;background:#e8f1fb;border:1px solid #bfd4ed}.structure-bond-detail-hero>div{display:grid;gap:6px}.structure-bond-detail-hero strong{font:800 17px 'DM Mono',monospace;color:#183c62}.structure-bond-detail-hero span{font:800 9px 'DM Mono',monospace;color:#4e6780}.structure-bond-detail-hero em{padding:7px 10px;border-radius:99px;background:#176957;color:#fff;font:800 9px 'DM Mono',monospace;font-style:normal}.structure-bond-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:10px 0}.structure-bond-detail-grid>div{min-height:55px;padding:8px;border:1px solid #d6dfda;border-radius:9px;background:#fff;display:flex;flex-direction:column;justify-content:center}.structure-bond-detail-grid span{font:800 7px 'DM Mono',monospace;color:#718078}.structure-bond-detail-grid b{margin-top:4px;font:800 10px 'DM Mono',monospace;color:#263d35;overflow-wrap:anywhere}.structure-bond-detail-coordinates,.structure-bond-detail-audit,.structure-bond-detail-stereo{margin-top:9px;padding:10px;border:1px solid #d8dfdb;border-radius:10px;background:#fff}.structure-bond-detail-coordinates>b,.structure-bond-detail-audit>b,.structure-bond-detail-stereo>b{font:800 8px 'DM Mono',monospace;color:#35645a}.structure-bond-detail-coordinates>div{display:grid;gap:6px;margin-top:7px}.structure-bond-detail-coordinates label{display:grid;grid-template-columns:38px 1fr;gap:6px;align-items:center;font:800 8px 'DM Mono',monospace;color:#243b34}.structure-bond-detail-coordinates label>span{display:block;padding:6px;border-radius:7px;background:#edf3f0;font:700 7px 'DM Mono',monospace;color:#61716a}.structure-bond-detail-coordinates strong{color:#223f37}.structure-bond-detail-coordinates small{display:block;margin-top:6px;font:700 6px 'DM Mono',monospace;color:#7b8782;overflow-wrap:anywhere}.structure-bond-detail-audit>div,.structure-bond-detail-stereo>div{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center;padding:7px 0;border-bottom:1px solid #e8ece9;font:700 7px 'DM Mono',monospace;color:#53655e}.structure-bond-detail-audit>div:last-child,.structure-bond-detail-stereo>div:last-child{border-bottom:0}.structure-bond-detail-audit em,.structure-bond-detail-stereo span:last-child{font-style:normal;text-align:right;color:#1c6558}.structure-bond-detail-boundary{margin-top:12px;padding:10px;border-left:3px solid #a36c13;border-radius:0 9px 9px 0;background:#fff5dc;color:#66501e}.structure-bond-detail-boundary b{font:800 9px 'DM Mono',monospace}.structure-bond-detail-boundary p{margin:6px 0 0;font-size:8px;line-height:1.55}
.bond-labels-switch{height:30px;padding:0 9px;border:1px solid #6ba99b;border-radius:8px;background:#edf8f5;color:#22695b;font:800 8px 'DM Mono',monospace;white-space:nowrap}.bond-labels-switch.active{background:#246a5b;color:#fff;border-color:#246a5b}.bond-labels-switch:disabled{opacity:.48}
.bond-search-switch{height:30px;padding:0 9px;border:1px solid #7aa1b8;border-radius:8px;background:#eef5f9;color:#2d6075;font:800 8px 'DM Mono',monospace;white-space:nowrap}.bond-search-switch:hover{background:#dfeef5}.structure3d-search-controls{display:grid;gap:6px;margin:10px 0}.structure3d-search-controls label{font:800 8px 'DM Mono',monospace;color:#48665d}.structure3d-search-controls input{height:38px;width:100%;padding:0 10px;border:1px solid #cbd8d2;border-radius:9px;background:#fff;color:#243b34;font:700 10px 'DM Mono',monospace}.structure3d-search-filters{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.structure3d-search-filters button{min-height:32px;border:1px solid #d2dbd5;border-radius:8px;background:#f5f8f5;color:#48655c;font:800 8px 'DM Mono',monospace}.structure3d-search-filters button[aria-pressed="true"]{background:#246a5b;color:#fff;border-color:#246a5b}.structure3d-search-summary{margin:9px 0 6px;font:800 8px 'DM Mono',monospace;color:#6b7b73}.structure3d-search-list{display:grid;gap:5px}.structure3d-search-row{display:grid;grid-template-columns:38px 1fr 20px;align-items:center;gap:7px;width:100%;padding:8px;border:1px solid #d8e0db;border-radius:9px;background:#fff;color:#243b34;text-align:left}.structure3d-search-row:hover{border-color:#6fae9e;background:#f1f8f5}.structure3d-search-row.active{border-color:#4c9583;background:#e8f5f0;box-shadow:inset 3px 0 #26725f}.structure3d-search-kind{font:800 7px 'DM Mono',monospace;color:#6a8278}.structure3d-search-copy{display:grid;gap:3px;min-width:0}.structure3d-search-copy b{font:800 10px 'DM Mono',monospace;color:#263d35;overflow-wrap:anywhere}.structure3d-search-copy small{font:700 7px 'DM Mono',monospace;color:#708078;overflow-wrap:anywhere}.structure3d-search-check{font:800 13px 'DM Mono',monospace;color:#2c806e;text-align:center}.structure3d-search-empty{margin:0;padding:18px 10px;border:1px dashed #cbd7d0;border-radius:9px;text-align:center;font-size:9px;color:#718078}.structure3d-search-boundary{margin-top:12px;padding:10px;border-left:3px solid #7b9eb1;border-radius:0 9px 9px 0;background:#edf5f8;color:#3e5e6d}.structure3d-search-boundary b{font:800 9px 'DM Mono',monospace}.structure3d-search-boundary p{margin:6px 0 0;font-size:8px;line-height:1.55}
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.structure2d-consistency-grid dd.pass{color:#176957}.structure2d-consistency-grid dd.check{color:#a15f0b}.structure2d-consistency-overlay{margin:9px 0 0;padding:9px 10px;border-left:3px solid #a36c13;border-radius:0 8px 8px 0;background:#fff4d8;color:#694c13;font-size:8px;line-height:1.55}.structure2d-consistency-compare{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);gap:6px;align-items:stretch;margin-top:10px}.structure2d-consistency-compare article{display:grid;gap:4px;min-width:0;padding:10px;border:1px solid #cddfd8;border-radius:10px;background:#fff}.structure2d-consistency-compare b{font:800 7px 'DM Mono',monospace;color:#557067}.structure2d-consistency-compare strong{font:800 13px 'DM Mono',monospace;color:#173d37;overflow-wrap:anywhere}.structure2d-consistency-compare span,.structure2d-consistency-compare small{font:700 7px 'DM Mono',monospace;color:#61716a}.structure2d-consistency-compare i{display:grid;place-items:center;color:#2a7867;font:800 15px 'DM Mono',monospace;font-style:normal}.structure2d-consistency-issues,.structure2d-consistency-exact{margin-top:9px;padding:10px;border:1px solid #dfc28a;border-radius:10px;background:#fff8e8}.structure2d-consistency-exact{border-color:#a7d4c8;background:#edf8f4}.structure2d-consistency-issues>b,.structure2d-consistency-exact>b{display:block;color:#765516;font:800 8px 'DM Mono',monospace}.structure2d-consistency-exact>b{color:#176957}.structure2d-consistency-exact span{display:block;margin-top:5px;color:#45685e;font-size:8px}.structure2d-consistency-issues ul{display:grid;gap:5px;margin:7px 0 0;padding:0;list-style:none}.structure2d-consistency-issues li{display:grid;grid-template-columns:72px 1fr;gap:6px;padding:7px;border-radius:8px;background:#fff}.structure2d-consistency-issues li b{font:800 7px 'DM Mono',monospace;color:#9a5d0d}.structure2d-consistency-issues li.extra b{color:#8e3f62}.structure2d-consistency-issues li span{font:700 7px/1.45 'DM Mono',monospace;color:#596a64;overflow-wrap:anywhere}@media(max-width:640px){.structure2d-consistency-compare{grid-template-columns:1fr}.structure2d-consistency-compare i{min-height:20px;transform:rotate(90deg)}.structure2d-consistency-issues li{grid-template-columns:64px 1fr}}
.reaction-condition-form{display:grid;gap:7px}.reaction-condition-form>label{display:grid;gap:4px;color:#61766d;font:800 7px 'DM Mono',monospace}.reaction-condition-form>input,.reaction-temperature-field input,.reaction-temperature-field select{width:100%;min-height:36px;box-sizing:border-box;border:1px solid #cbded6;border-radius:7px;padding:7px 8px;background:#fff;color:#18342e;font:800 10px 'DM Mono',monospace}.reaction-temperature-field{display:grid;grid-template-columns:minmax(0,1fr) 88px;gap:7px;margin:3px 0 0;padding:9px;border:1px solid #d8cf9d;border-radius:9px;background:#fffaf0}.reaction-temperature-field legend{padding:0 4px;color:#8b651c;font:800 8px 'DM Mono',monospace}.reaction-temperature-field label{display:grid;gap:4px;color:#756431;font:800 7px 'DM Mono',monospace}.reaction-temperature-field output{grid-column:1/-1;padding:6px 7px;border-left:3px solid #bf7020;background:#fff1d7;color:#8b4e1c;font:800 7px/1.4 'DM Mono',monospace}.reaction-condition-actions{display:flex;flex-wrap:wrap;gap:6px}.reaction-condition-actions button{min-height:34px;border:1px solid #9fcdbf;border-radius:7px;padding:7px 9px;background:#eef8f4;color:#17675a;font:800 8px 'DM Mono',monospace;cursor:pointer}.reaction-condition-actions button[type="submit"]{background:#246a5b;color:#fff}.reaction-condition-actions button:disabled{opacity:.45;cursor:not-allowed}.reaction-condition-boundary{margin-top:9px;padding:8px 9px;border-left:3px solid #bf7e20;background:#fff8e9}.reaction-condition-boundary b{display:block;color:#8b5a18;font:800 8px 'DM Mono',monospace}.reaction-condition-boundary p{margin:4px 0 0;color:#67502f;font:700 7px/1.45 'DM Mono',monospace}
@media(max-width:700px){.storage-alert.recovery-choice{width:calc(100% - 28px)}.conflict-recovery-list{grid-template-columns:1fr}}
@media(max-width:520px){.storage-alert.recovery-choice{left:8px;right:8px;top:8px;width:auto;transform:none;max-height:calc(100% - 16px);overflow:auto}.conflict-recovery-picker{padding:10px}.conflict-recovery-list{max-height:none;overflow:visible}.conflict-recovery-card{grid-template-columns:1fr}.conflict-recovery-card-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.conflict-recovery-card-actions button{min-height:44px}.recovery-center-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.recovery-center-summary>div:last-child{grid-column:1/3}.recovery-center-policy label{align-items:flex-start;flex-direction:column}.recovery-center-policy select,.recovery-center-actions button,.all-scenes-emergency-actions button{min-height:44px}.recovery-center-actions,.all-scenes-emergency-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.all-scenes-emergency-preview li{grid-template-columns:auto 1fr}.all-scenes-emergency-preview li code{grid-column:1/3}}
.reaction-lesson-flow{margin:10px 0;padding:10px;border:1px solid #e2c680;border-radius:11px;background:#fff9e9}.reaction-lesson-flow.ready{border-color:#9fcdbf;background:#eef8f4}.reaction-lesson-flow-head{display:flex;justify-content:space-between;gap:9px;align-items:flex-start}.reaction-lesson-flow-head b,.reaction-lesson-flow-head span{display:block}.reaction-lesson-flow-head b{color:#8b651c;font:800 8px 'DM Mono',monospace}.reaction-lesson-flow.ready .reaction-lesson-flow-head b{color:#17675a}.reaction-lesson-flow-head span{margin-top:4px;color:#665b3d;font:800 9px 'DM Mono',monospace}.reaction-lesson-flow-head em{padding:5px 7px;border-radius:6px;background:#ffe4a6;color:#8b5715;font:800 8px 'DM Mono',monospace;font-style:normal}.reaction-lesson-flow.ready .reaction-lesson-flow-head em{background:#d9f0e8;color:#17675a}.reaction-lesson-flow-chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.reaction-lesson-flow-chips>span{display:flex;align-items:center;gap:5px;padding:5px 7px;border:1px solid #d5e2dc;border-radius:7px;background:#fff;color:#18342e}.reaction-lesson-flow-chips>span.temperature{border-color:#e4ca75;background:#fff8d8}.reaction-lesson-flow-chips small{color:#718078;font:800 6px 'DM Mono',monospace}.reaction-lesson-flow-chips b{font:800 8px 'DM Mono',monospace}.reaction-lesson-flow-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;margin:8px 0 0}.reaction-lesson-flow-stats div{padding:6px;border:1px solid rgba(116,135,126,.23);border-radius:7px;background:rgba(255,255,255,.75)}.reaction-lesson-flow-stats dt{color:#718078;font:700 6px 'DM Mono',monospace}.reaction-lesson-flow-stats dd{margin:3px 0 0;color:#18342e;font:800 9px 'DM Mono',monospace}.reaction-lesson-flow-issues{display:grid;gap:4px;margin:8px 0 0;padding:0;list-style:none}.reaction-lesson-flow-issues li{display:flex;gap:6px;align-items:center;padding:5px 6px;border-left:3px solid #c88628;background:#fff3d9;color:#74511f;font:700 7px/1.4 'DM Mono',monospace}.reaction-lesson-flow-ready{margin:8px 0 0;color:#17675a;font:800 7px/1.45 'DM Mono',monospace}.reaction-lesson-flow-actions{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.reaction-lesson-flow-actions button{min-height:32px;border:1px solid #b8d1c8;border-radius:7px;padding:6px 8px;background:#fff;color:#17675a;font:800 8px 'DM Mono',monospace;cursor:pointer}.reaction-lesson-flow>small{display:block;margin-top:7px;color:#756c50;font:700 7px/1.45 'DM Mono',monospace}@media(max-width:640px){.reaction-temperature-field{grid-template-columns:minmax(0,1fr) 78px}.reaction-lesson-flow-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.reaction-lesson-flow-actions button{min-height:42px;flex:1 1 130px}}
/* Local QA only: created by the chemistry restart-recovery harness. */
.qa-hard-crash-btn{position:absolute;z-index:45;left:max(16px,env(safe-area-inset-left));bottom:max(18px,env(safe-area-inset-bottom));min-height:44px;padding:10px 14px;border:1px solid rgba(255,210,128,.72);border-radius:12px;background:#4b281d;color:#fff5d8;font:800 13px/1.25 Pretendard,"Noto Sans KR",sans-serif;box-shadow:0 8px 24px rgba(0,0,0,.28);cursor:pointer}
.qa-hard-crash-btn:hover,.qa-hard-crash-btn:focus-visible{background:#663425;outline:3px solid rgba(255,226,153,.55);outline-offset:2px}
.qa-hard-crash-btn:disabled{background:#263f38;border-color:#78c9ad;color:#dffff3;cursor:default;opacity:1}
.qa-recovery-quota-harness{position:absolute;z-index:46;right:max(16px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));display:flex;gap:8px;padding:7px;border:1px solid rgba(255,210,128,.6);border-radius:13px;background:rgba(43,28,22,.94);box-shadow:0 8px 24px rgba(0,0,0,.28)}
.qa-recovery-quota-harness button{min-height:44px;padding:9px 12px;border:1px solid #d3a968;border-radius:9px;background:#5b3425;color:#fff5d8;font:800 12px/1.25 Pretendard,"Noto Sans KR",sans-serif;cursor:pointer}
.qa-recovery-quota-harness button:focus-visible{outline:3px solid rgba(255,226,153,.55);outline-offset:2px}.qa-recovery-quota-harness button:disabled{border-color:#58766d;background:#29443d;color:#c8e9de;cursor:default;opacity:.72}
@media(max-width:640px){.qa-recovery-quota-harness{right:8px;bottom:8px;left:8px;justify-content:flex-end}.qa-recovery-quota-harness button{flex:1;max-width:180px}}