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var(--primary-glow)}.md-ol{counter-reset:md-ol-counter}.md-ol li{counter-increment:md-ol-counter}.md-ol li:before{content:counter(md-ol-counter);top:4px;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;font-size:.68rem;font-weight:700;box-shadow:0 1px 4px var(--primary-glow)}.md-list li strong{color:var(--ink)}.md-blockquote{padding:10px 14px;border-left:3px solid var(--primary);background:var(--primary-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-soft);font-style:italic}.md-blockquote,.md-callout{margin:10px 0;line-height:1.55;transition:var(--transition-theme)}.md-callout{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--radius-sm);border-left:4px solid}.md-callout-icon{flex-shrink:0;font-size:1.1rem;line-height:1.5}.md-callout-body{flex:1 1;min-width:0}.md-callout-body strong{font-weight:700}.md-callout-tip{background:rgba(46,204,113,.08);border-left-color:#2ecc71;color:var(--ink-soft)}[data-theme=dark] .md-callout-tip{background:rgba(46,204,113,.06)}.md-callout-warning{background:rgba(243,156,18,.08);border-left-color:#f39c12;color:var(--ink-soft)}[data-theme=dark] .md-callout-warning{background:rgba(243,156,18,.06)}.md-callout-error{background:rgba(231,76,60,.08);border-left-color:#e74c3c;color:var(--ink-soft)}[data-theme=dark] .md-callout-error{background:rgba(231,76,60,.06)}.md-callout-info{background:rgba(52,152,219,.08);border-left-color:#3498db;color:var(--ink-soft)}[data-theme=dark] .md-callout-info{background:rgba(52,152,219,.06)}.md-callout-success{background:rgba(39,174,96,.08);border-left-color:#27ae60;color:var(--ink-soft)}[data-theme=dark] .md-callout-success{background:rgba(39,174,96,.06)}.md-table-wrap{margin:10px 0;overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--line)}.md-table{width:100%;border-collapse:collapse;font-size:.85rem}.md-table td,.md-table th{padding:8px 12px;text-align:left;border-bottom:1px solid var(--line-soft)}.md-table th{background:var(--primary-soft);font-weight:700;color:var(--ink);font-family:var(--font-title);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}.md-table tr.md-table-even{background:var(--surface-alt)}.md-table td{color:var(--ink-soft)}.md-hr{border:none;height:1px;margin:14px 0;background:linear-gradient(90deg,transparent,var(--primary) 20%,var(--primary) 80%,transparent);opacity:.3}.md-link{color:var(--primary-strong);text-decoration:none;border-bottom:1px solid rgba(96,199,193,.3);font-weight:500;transition:all var(--transition-fast)}.md-link:hover{color:var(--primary);border-bottom-color:var(--primary);background:var(--primary-soft);border-radius:2px;padding:0 2px;margin:0 -2px}.msg-assistant .msg-bubble strong{color:var(--ink);font-weight:700}.msg-assistant .msg-bubble em{color:var(--ink-soft);font-style:italic}.msg-assistant .msg-bubble del{opacity:.5;text-decoration:line-through}.error-text{margin:6px auto 0;width:min(720px,100%);color:var(--error);font-weight:600;font-size:.85rem;background:var(--error-bg);padding:8px 14px;border-radius:var(--radius-sm);border:1px solid rgba(192,57,43,.12)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.calc-toggle-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:var(--radius-pill);border:none;background:var(--surface-raised);color:var(--ink-soft);font-family:var(--font-body);font-size:12px;font-weight:600;letter-spacing:.04em;cursor:pointer;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-fast)}.calc-toggle-btn:hover{color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 2px var(--primary-glow)}.calc-toggle-btn svg{flex-shrink:0}.screen-capture-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:var(--radius-pill);border:none;background:var(--surface-raised);color:var(--ink-soft);font-family:var(--font-body);font-size:12px;font-weight:700;letter-spacing:.04em;cursor:pointer;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-fast)}.screen-capture-btn:hover{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-strong));box-shadow:0 0 0 2px var(--primary-glow)}.screen-capture-btn svg{flex-shrink:0}.chat-mini-header{justify-content:space-between!important}.chat-mini-header-side{width:56px;display:flex;align-items:center;justify-content:flex-end}.new-chat-btn{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--ink-muted);cursor:pointer;transition:all var(--transition-fast)}.new-chat-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.calc-overlay{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fade-up .22s cubic-bezier(.16,1,.3,1) both}.calc-wrap{display:flex;flex-direction:column;gap:12px;width:min(340px,92vw)}.calc-back-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.1);color:#fff;font-family:var(--font-body);font-size:12px;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .15s}.calc-back-btn:hover{background:rgba(255,255,255,.2)}.calc-display{background:rgba(10,14,20,.82);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:20px 24px 16px;text-align:right;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.calc-expr{font-size:13px;color:rgba(255,255,255,.38);font-family:var(--font-body);min-height:18px;margin-bottom:4px;letter-spacing:.02em}.calc-value{font-size:clamp(2rem,10vw,2.8rem);font-weight:300;color:#fff;font-family:var(--font-title);letter-spacing:-.02em;line-height:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:10px;gap:10px}.calc-btn{height:68px;border:none;border-radius:16px;font-family:var(--font-title);font-size:1.3rem;font-weight:400;cursor:pointer;transition:filter .1s,transform .08s;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.calc-btn:active{filter:brightness(1.25);transform:scale(.95)}.calc-btn--num{background:rgba(60,70,90,.72);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.06)}.calc-btn--num:hover{background:rgba(80,92,115,.82)}.calc-btn--fn{background:rgba(100,110,130,.55);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.06)}.calc-btn--fn:hover{background:rgba(120,132,155,.68)}.calc-btn--op{background:var(--primary);color:#fff;box-shadow:0 4px 16px var(--primary-glow)}.calc-btn--op:hover{background:var(--primary-strong)}.calc-btn--eq{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;font-size:1.5rem;box-shadow:0 6px 20px var(--primary-glow)}.calc-btn--eq:hover{filter:brightness(1.12)}.sc-backdrop,.sc-select-wrapper{position:fixed;inset:0;z-index:300;display:grid;place-items:center}.sc-backdrop{background:rgba(7,15,18,.7);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.sc-backdrop--preview{background:rgba(7,15,18,.78)}.sc-dialog{width:min(520px,calc(100vw - 28px));padding:22px;border-radius:var(--radius-lg);border:1px solid var(--line-soft);background:var(--surface);color:var(--ink);box-shadow:var(--shadow-lg);text-align:center}.sc-dialog--error{border-color:rgba(231,76,60,.35)}.sc-dialog-title{margin:6px 0 8px;font-family:var(--font-title);font-size:1.1rem;font-weight:600}.sc-dialog-hint{margin:0;color:var(--ink-soft);font-size:.92rem;line-height:1.4}.sc-dialog-actions{margin-top:14px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.sc-spinner{margin:0 auto;width:30px;height:30px;border-radius:999px;border:3px solid var(--line);border-top-color:var(--primary);animation:sc-spin .9s linear infinite}@keyframes sc-spin{to{transform:rotate(1turn)}}.sc-canvas{position:fixed;inset:0;width:100vw;height:100vh;cursor:crosshair}.sc-toolbar{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;padding:10px 12px;border-radius:16px;background:rgba(10,18,20,.85);border:1px solid rgba(255,255,255,.14);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-lg)}.sc-toolbar-hint{font-size:12px;color:rgba(255,255,255,.84);margin-right:4px}.sc-action-btn,.sc-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 12px;border:1px solid transparent;border-radius:10px;font-family:var(--font-body);font-size:.84rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.sc-copy-btn,.sc-full-btn,.sc-retry-btn,.sc-save-btn,.sc-select-confirm-btn,.sc-use-chat-btn{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;box-shadow:0 5px 14px var(--primary-glow)}.sc-copy-btn:hover,.sc-full-btn:hover,.sc-retry-btn:hover,.sc-save-btn:hover,.sc-select-confirm-btn:hover,.sc-use-chat-btn:hover{filter:brightness(1.07)}.sc-cancel-btn{background:transparent;color:var(--ink-soft);border-color:var(--line)}.sc-toolbar .sc-cancel-btn{color:#fff;border-color:rgba(255,255,255,.28)}.sc-cancel-btn:hover{background:var(--surface-alt);color:var(--ink)}.sc-toolbar .sc-cancel-btn:hover{background:rgba(255,255,255,.12);color:#fff}.sc-preview-container{width:100vw;height:100vh;max-height:none;display:flex;flex-direction:column;background:var(--surface);border:none;border-radius:0;box-shadow:none;overflow:hidden}.sc-preview-header{padding:10px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.sc-preview-title{font-family:var(--font-title);font-size:.98rem;font-weight:600}.sc-close-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--ink-soft);font-size:1.2rem;line-height:1;cursor:pointer}.sc-close-btn:hover{background:var(--surface-alt);color:var(--ink)}.sc-preview-img-wrap{flex:1 1;padding:14px;overflow:auto;background:var(--surface-alt);display:grid;place-items:center}.sc-annotate-toolbar{padding:8px 12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--surface)}.sc-annotate-label{font-size:.82rem}.sc-annotate-label,.sc-tool-btn{color:var(--ink-soft);font-weight:700}.sc-tool-btn{border:1px solid var(--line);background:var(--surface-alt);border-radius:8px;padding:6px 10px;font-size:.8rem;cursor:pointer;transition:all var(--transition-fast)}.sc-tool-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary-strong)}.sc-tool-btn.is-active{border-color:var(--primary);color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-strong))}.sc-tool-btn:disabled{opacity:.45;cursor:not-allowed}.sc-preview-stage{position:relative;width:-moz-fit-content;width:fit-content;max-width:100%;max-height:100%}.sc-preview-stage--annotating{cursor:crosshair}.sc-preview-img{display:block;width:auto;max-width:100%;max-height:100%;height:auto;border-radius:10px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.sc-annotate-layer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.sc-anno-stroke{fill:none;stroke:#ff5b4d;stroke-width:.006;stroke-linecap:round;stroke-linejoin:round}.sc-anno-fill{fill:#ff5b4d}.sc-anno-text{fill:#ff5b4d;stroke:rgba(0,0,0,.5);stroke-width:.003;paint-order:stroke;font-size:.04px;font-weight:700;font-family:var(--font-body)}.sc-preview-actions{padding:10px 12px 12px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px}@media (max-width:640px){.top-bar{top:10px;right:12px}.calc-toggle-btn span,.screen-capture-btn span{display:none}.screen-capture-btn{padding:6px 9px}.sc-toolbar{left:12px;right:12px;transform:none;bottom:12px;justify-content:flex-start}.sc-toolbar-hint{width:100%;margin-bottom:2px}.sc-preview-actions{justify-content:stretch}.sc-preview-actions .sc-action-btn{flex:1 1 100%}.sc-preview-img-wrap{padding:10px}.calc-toggle-btn{padding:6px 9px}.calc-btn{height:58px;font-size:1.15rem;border-radius:14px}.calc-grid{gap:8px}.welcome-view{padding:30px 16px;gap:24px}.logo-text{font-size:clamp(2.6rem,12vw,3.8rem)}.input-bar-wrap{width:95%}.input-bar{padding:5px 6px}.quick-questions{gap:6px}.quick-questions button{font-size:.78rem;padding:6px 12px}.chat-log{padding:12px}.chat-bottom{padding:8px 12px 12px}.msg-bubble{max-width:88%}.msg-avatar{width:26px;height:26px;font-size:.6rem}.chat-mini-header .logo-text{font-size:1.3rem}.logo-subtitle{font-size:.62rem;letter-spacing:.22em}.md-h1{font-size:1.1rem}.md-h2{font-size:1rem}.md-h3{font-size:.93rem}.md-codeblock code{font-size:.76rem}.md-callout{padding:10px 12px}.md-table td,.md-table th{padding:6px 8px;font-size:.8rem}.nav-autocomplete,.slash-command-menu{max-height:min(180px,35vh);border-radius:12px 12px 0 0}.nav-autocomplete-path{display:none}.nav-autocomplete-item{padding:11px 14px}.nav-autocomplete-label{font-size:13px}.slash-command-item{padding:11px 14px;gap:8px}.slash-command-name{min-width:80px}.nav-shortcuts-section{width:95%}.nav-shortcuts-drawer{max-height:min(200px,32vh)}.nav-shortcuts-chips{gap:6px}.nav-shortcut-chip{font-size:11px;padding:6px 12px}}