:root{color-scheme:dark;--stu-navy: #233a5e;--stu-navy-strong: #1b2e4c;--stu-on-navy: #fbfaf7;--stu-display: #1f2430;--stu-teal: #2f6f6a;--stu-terra: #b04a25;--stu-terra-soft: rgba(176, 74, 37, .09);--stu-ink: #1f2430;--stu-slate: #4f5868;--stu-gray: #646d7b;--stu-faint: #66707e;--stu-bg: #f7f6f2;--stu-panel: #fbfaf7;--stu-well: #efede8;--stu-rule: rgba(31, 36, 48, .14);--stu-rule-soft: rgba(31, 36, 48, .07);--stu-amber: #955d10;--stu-amber-soft: #f7ecd8;--stu-red: #a13b2e;--stu-red-soft: #f7e4df;--stu-on-red: #fff;--stu-green: #3f7d4e;--stu-green-soft: #e7f0e2;--stu-navy-soft: color-mix(in srgb, var(--stu-navy) 9%, var(--stu-panel));--stu-teal-soft: color-mix(in srgb, var(--stu-teal) 12%, var(--stu-panel));--stu-ring: 0 0 0 3px rgba(35, 58, 94, .16);--stu-switch-off: #c9c6bd;--stu-tip-bg: #1f2430;--stu-tip-fg: #f7f6f2;--stu-scrim: rgba(31, 36, 48, .4);--stu-shadow: 0 1px 2px rgba(31, 36, 48, .05), 0 10px 24px -12px rgba(31, 36, 48, .16);--stu-shadow-lift: 0 2px 4px rgba(31, 36, 48, .06), 0 18px 44px -16px rgba(31, 36, 48, .28);--stu-radius: 10px;--stu-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--stu-mono: "JetBrains Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--stu-sel: #233a5e;--stu-sel-line: #2f6f6a;--stu-navy: #e6ddc7;--stu-navy-strong: #f0e9d8;--stu-on-navy: #15171d;--stu-display: #e8e6df;--stu-teal: #8ec4ba;--stu-terra: #e0714a;--stu-terra-soft: rgba(224, 113, 74, .14);--stu-ink: #e8e6df;--stu-slate: #aeb5c3;--stu-gray: #9aa3b3;--stu-faint: #8a93a3;--stu-bg: #15171d;--stu-panel: #1d2028;--stu-well: #191c23;--stu-rule: rgba(232, 230, 223, .14);--stu-rule-soft: rgba(232, 230, 223, .07);--stu-amber: #d9a05a;--stu-amber-soft: #322818;--stu-red: #e0705c;--stu-red-soft: #3a221d;--stu-on-red: #2b130d;--stu-green: #94bd85;--stu-green-soft: #23301e;--stu-ring: 0 0 0 3px rgba(230, 221, 199, .22);--stu-switch-off: #3a4050;--stu-tip-bg: #e8e6df;--stu-tip-fg: #15171d;--stu-scrim: rgba(5, 5, 7, .6);--stu-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 24px -12px rgba(0, 0, 0, .5);--stu-shadow-lift: 0 2px 4px rgba(0, 0, 0, .35), 0 18px 44px -16px rgba(0, 0, 0, .65)}:root[data-theme=light]{color-scheme:light;--stu-navy: #233a5e;--stu-navy-strong: #1b2e4c;--stu-on-navy: #fbfaf7;--stu-display: #1f2430;--stu-teal: #2f6f6a;--stu-terra: #b04a25;--stu-terra-soft: rgba(176, 74, 37, .09);--stu-ink: #1f2430;--stu-slate: #4f5868;--stu-gray: #646d7b;--stu-faint: #66707e;--stu-bg: #f7f6f2;--stu-panel: #fbfaf7;--stu-well: #efede8;--stu-rule: rgba(31, 36, 48, .14);--stu-rule-soft: rgba(31, 36, 48, .07);--stu-amber: #955d10;--stu-amber-soft: #f7ecd8;--stu-red: #a13b2e;--stu-red-soft: #f7e4df;--stu-on-red: #fff;--stu-green: #3f7d4e;--stu-green-soft: #e7f0e2;--stu-navy-soft: color-mix(in srgb, var(--stu-navy) 9%, var(--stu-panel));--stu-teal-soft: color-mix(in srgb, var(--stu-teal) 12%, var(--stu-panel));--stu-ring: 0 0 0 3px rgba(35, 58, 94, .16);--stu-switch-off: #c9c6bd;--stu-tip-bg: #1f2430;--stu-tip-fg: #f7f6f2;--stu-scrim: rgba(31, 36, 48, .4);--stu-shadow: 0 1px 2px rgba(31, 36, 48, .05), 0 10px 24px -12px rgba(31, 36, 48, .16);--stu-shadow-lift: 0 2px 4px rgba(31, 36, 48, .06), 0 18px 44px -16px rgba(31, 36, 48, .28);--stu-radius: 10px;--stu-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--stu-mono: "JetBrains Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--stu-sel: #233a5e;--stu-sel-line: #2f6f6a}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--stu-font);color:var(--stu-ink);background:var(--stu-bg);-webkit-font-smoothing:antialiased}button{font-family:inherit}kbd{font-family:var(--stu-mono);font-size:10px;font-weight:600;background:var(--stu-rule-soft);border:1px solid var(--stu-rule);border-bottom-width:2px;border-radius:5px;padding:1px 5px;color:var(--stu-slate)}@keyframes stu-fade-in{0%{opacity:0}to{opacity:1}}@keyframes stu-pop-in{0%{opacity:0;transform:translateY(-3px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes stu-sheet-in{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.stu-app{display:flex;flex-direction:column;height:100%;overflow:hidden}.stu-topbar{display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;background:var(--stu-panel);border-bottom:1px solid var(--stu-rule);flex:none;z-index:20}.stu-topbar-wide{display:contents}.stu-topbar-more{display:none}.stu-morebtn{padding:0 9px;font-size:15px;line-height:1}.stu-spacer{flex:1}.stu-autosave{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:500;color:var(--stu-slate);cursor:pointer;user-select:none}.stu-autosave input,.stu-toggle input{position:absolute;opacity:0;width:0;height:0}.stu-switch{width:30px;height:17px;border-radius:999px;background:var(--stu-switch-off);position:relative;transition:background .15s;flex:none}.stu-switch:after{content:"";position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;background:#fdfcf7;box-shadow:0 1px 2px #0003;transition:left .15s}.stu-autosave input:checked+.stu-switch,.stu-toggle input:checked+.stu-switch{background:var(--stu-teal)}.stu-autosave input:checked+.stu-switch:after,.stu-toggle input:checked+.stu-switch:after{left:15px}.stu-modearea{position:relative;display:flex;flex-direction:column;flex:1;min-height:0;background:var(--stu-bg)}.stu-modeframe{flex:1;width:100%;min-height:0;border:0;background:var(--stu-panel)}.stu-present-back{position:absolute;top:14px;right:18px;z-index:10;display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border:1px solid var(--stu-rule);border-radius:999px;background:color-mix(in srgb,var(--stu-panel) 85%,transparent);backdrop-filter:blur(6px);color:var(--stu-navy);font-size:12px;font-weight:600;letter-spacing:.01em;cursor:pointer;box-shadow:0 1px 2px #0000000f}.stu-present-back:hover{background:var(--stu-panel);border-color:var(--stu-navy)}.stu-present-empty{margin:auto;padding:24px 32px;font-size:13px;color:var(--stu-gray)}.stu-canvas{flex:1;min-width:0;overflow-y:auto;padding:36px 48px 140px;background:var(--stu-bg)}.stu-page{max-width:1040px;margin:0 auto;border-radius:14px;box-shadow:var(--stu-shadow);overflow:hidden}.stu-page>.docskin{padding-bottom:96px}.stu-render-error{max-width:720px;margin:40px auto;padding:16px 20px;background:var(--stu-red-soft);color:var(--stu-red);border-radius:var(--stu-radius);font-size:13px}.stu-seg{position:relative;border-radius:var(--stu-radius);transition:box-shadow .14s ease-out}.stu-seg:hover{box-shadow:0 0 0 1px #1f24303d,0 2px 10px -4px #1f243029}.stu-seg-selected,.stu-seg-selected:hover{box-shadow:0 0 0 2px var(--stu-sel)}.stu-seg-editing,.stu-seg-editing:hover{box-shadow:none}.stu-seg-html{padding:2px 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ease-out}.stu-tool:hover:not(:disabled){background:var(--stu-navy-soft);color:var(--stu-navy)}.stu-tool:disabled{opacity:.35;cursor:default}.stu-tool-grip{cursor:grab;color:var(--stu-faint)}.stu-tool-grip:active{cursor:grabbing}.stu-tool-on,.stu-tool-on:hover:not(:disabled){background:var(--stu-terra-soft);color:var(--stu-terra)}.stu-tool-danger:hover:not(:disabled){background:var(--stu-red-soft);color:var(--stu-red)}.stu-placeholder{display:flex;align-items:center;gap:10px;padding:14px 16px;margin:4px 6px;border-radius:var(--stu-radius);font-size:12.5px;color:var(--stu-gray)}.stu-placeholder-meta{background:var(--stu-navy-soft)}.stu-placeholder-empty{border:1.5px dashed var(--stu-rule)}.stu-placeholder-chip{font-family:var(--stu-mono);font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--stu-navy);background:color-mix(in srgb,var(--stu-navy) 10%,transparent);padding:2px 8px;border-radius:999px;flex:none}.stu-gap{position:relative;height:20px;margin:0 6px;display:flex;align-items:center;justify-content:center;border-radius:6px}.stu-gap-line{position:absolute;left:8px;right:8px;top:50%;border-top:2px solid transparent;border-radius:2px;pointer-events:none;transition:border-color .13s ease-out}.stu-gap:hover .stu-gap-line{border-top-color:#233a5e4d}.stu-gap-plus{position:relative;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;border:1px solid var(--stu-rule);background:var(--stu-panel);color:var(--stu-navy);cursor:pointer;box-shadow:var(--stu-shadow);opacity:0;transform:scale(.9);transition:opacity .13s ease-out,transform .13s ease-out,background .13s ease-out;z-index:2;padding:0}.stu-gap:hover 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var(--stu-rule);border-radius:12px;color:var(--stu-gray);font-size:13px}.stu-ghost-plus{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--stu-rule);background:var(--stu-panel);color:var(--stu-navy);cursor:pointer;box-shadow:var(--stu-shadow);transition:background .13s ease-out,color .13s ease-out,transform .13s ease-out}.stu-ghost-plus:hover{background:var(--stu-navy);color:var(--stu-on-navy);transform:scale(1.05)}.stu-hero{display:flex;align-items:center;justify-content:center;min-height:70%}.stu-hero-card{background:var(--stu-panel);border-radius:16px;box-shadow:var(--stu-shadow);padding:48px 56px;text-align:center;max-width:460px}.stu-hero-mark{width:44px;height:44px;margin:0 auto 18px;border-radius:50%;background:radial-gradient(circle at 50% 62%,var(--stu-panel) 0 34%,var(--stu-navy) 35%);border:2.5px solid var(--stu-navy)}.stu-hero-card h1{margin:0 0 10px;font-size:20px;font-weight:750;letter-spacing:-.02em;color:var(--stu-display)}.stu-hero-card p{margin:0;font-size:13.5px;line-height:1.6;color:var(--stu-gray)}.stu-hero-card code{font-family:var(--stu-mono);font-size:12px;background:var(--stu-rule-soft);padding:1px 6px;border-radius:5px;color:var(--stu-teal)}.stu-cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stu-card{display:flex;flex-direction:column;align-items:stretch;gap:4px;min-width:0;overflow:hidden;border:1px solid var(--stu-rule);border-radius:10px;background:var(--stu-panel);padding:6px 6px 8px;cursor:pointer;text-align:left;transition:border-color .13s ease-out,box-shadow .13s ease-out,transform .13s ease-out}.stu-card:hover{border-color:var(--stu-navy);box-shadow:var(--stu-shadow);transform:translateY(-1px)}.stu-card:focus-visible{outline:none;border-color:var(--stu-navy);box-shadow:var(--stu-ring)}.stu-thumb{position:relative;height:106px;border-radius:7px;background:var(--stu-well);border:1px solid var(--stu-rule-soft);overflow:hidden;pointer-events:none}.stu-thumb-doc{transform-origin:top left;padding:10px 12px;background:transparent!important}.stu-thumb-blank{display:flex;align-items:center;justify-content:center;height:100%;font-family:var(--stu-mono);font-size:11px;color:var(--stu-faint)}.stu-card-head{display:flex;align-items:baseline;gap:6px;min-width:0;margin-top:3px;padding:0 2px}.stu-card-name{font-size:12px;font-weight:600;color:var(--stu-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stu-card-type{font-family:var(--stu-mono);font-size:9.5px;font-weight:600;color:var(--stu-navy);background:var(--stu-navy-soft);padding:1px 6px;border-radius:999px;flex:none}.stu-card-desc{font-size:10.5px;line-height:1.4;color:var(--stu-gray);padding:0 2px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.stu-picker-compact{position:fixed;width:420px;max-width:calc(100vw - 24px);background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:12px;box-shadow:var(--stu-shadow-lift);z-index:50;display:flex;flex-direction:column;overflow:hidden;animation:stu-pop-in .14s ease-out}.stu-picker-compact-centered{top:16vh;left:50%;transform:translate(-50%)}.stu-picker-search{display:flex;align-items:center;gap:9px;padding:11px 13px;border-bottom:1px solid var(--stu-rule);color:var(--stu-faint);flex:none}.stu-picker-search input{flex:1;border:none;outline:none;font-family:inherit;font-size:13.5px;color:var(--stu-ink);background:none}.stu-picker-search kbd{font-family:var(--stu-font);font-size:10px;color:var(--stu-faint);border:1px solid var(--stu-rule);border-radius:4px;padding:0 4px;background:var(--stu-well)}.stu-picker-list{list-style:none;margin:0;padding:6px;max-height:322px;overflow-y:auto}.stu-picker-item{display:flex;align-items:center;gap:8px;width:100%;border:none;background:none;padding:7px 9px;border-radius:8px;cursor:pointer;text-align:left}.stu-picker-item-active{background:var(--stu-navy-soft)}.stu-picker-item-name{font-size:12.5px;font-weight:600;color:var(--stu-ink);flex:none}.stu-picker-item-active .stu-picker-item-name{color:var(--stu-navy)}.stu-picker-item-active .stu-card-type{background:color-mix(in srgb,var(--stu-navy) 16%,transparent)}.stu-picker-item-fam{margin-left:auto;font-size:10.5px;color:var(--stu-faint);white-space:nowrap}.stu-picker-none{padding:18px;text-align:center;font-size:12.5px;color:var(--stu-faint)}.stu-app{--stu-sheetw: min(430px, 46vw)}.stu-sheet-backdrop{position:fixed;inset:48px 0 0 auto;width:var(--stu-sheetw);z-index:45}.stu-app:has(.stu-sheet-backdrop) .stu-canvas{margin-right:var(--stu-sheetw)}.stu-sheet{width:100%;height:100%;background:var(--stu-panel);border-left:1px solid var(--stu-rule);box-shadow:-18px 0 32px -28px #10182859;display:flex;flex-direction:column;overflow:hidden;animation:stu-sheet-dock .16s ease-out}@keyframes stu-sheet-dock{0%{opacity:.5;transform:translate(26px)}to{opacity:1;transform:none}}.stu-sheet-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding:10px 14px;border-bottom:1px solid var(--stu-rule);flex:none}.stu-sheet-title{display:flex;align-items:center;gap:10px;min-width:0;flex:1 1 100%}.stu-sheet-title h2{margin:0;font-size:15.5px;font-weight:750;letter-spacing:-.02em;color:var(--stu-display);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stu-kind-chip{font-family:var(--stu-mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;color:var(--stu-on-navy);background:var(--stu-navy);padding:2px 9px;border-radius:999px;flex:none}.stu-family-label{font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--stu-faint);white-space:nowrap}.stu-tabs{display:flex;gap:4px;background:var(--stu-rule-soft);border-radius:9px;padding:3px}.stu-sheet-tabs{width:170px;flex:none}.stu-tab{flex:1;border:none;background:none;padding:5px 0;font-size:12px;font-weight:600;color:var(--stu-gray);border-radius:7px;cursor:pointer}.stu-tab-active{background:var(--stu-panel);color:var(--stu-navy);box-shadow:0 1px 2px #0000000f}.stu-tab:disabled{opacity:.4;cursor:default}.stu-sheet-actions{display:flex;gap:8px;flex:none;margin-left:auto}.stu-sheet-prevbtn[aria-pressed=true]{background:var(--stu-navy-soft);color:var(--stu-navy);border-color:var(--stu-navy)}.stu-sheet-body{display:flex;flex-direction:column;flex:1;min-height:0}.stu-sheet-form{width:100%;min-width:0;flex:1;min-height:0;overflow-y:auto;padding:16px 16px 40px}.stu-sheet-yaml{display:flex;flex-direction:column;gap:10px;height:100%}.stu-sheet-yaml .stu-yaml-editor{flex:1;min-height:260px}.stu-sheet-diags{display:flex;flex-direction:column;gap:6px;margin-top:14px}.stu-sheet-preview{display:none;min-width:0;position:relative;background:var(--stu-bg);flex-direction:column}.stu-sheet-preview.stu-sheet-preview-open{display:flex;flex:0 0 44%;min-height:0;border-top:1px solid var(--stu-rule)}.stu-sheet-preview-label{position:absolute;top:10px;right:14px;font-size:9.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--stu-faint);background:var(--stu-panel);border:1px solid var(--stu-rule);padding:2px 8px;border-radius:999px;z-index:2}.stu-sheet-preview-scroll{flex:1;overflow:auto;padding:22px}.stu-sheet-preview-doc{border-radius:10px;box-shadow:var(--stu-shadow);padding:28px 32px 36px!important;min-height:100%}.stu-sheet-preview-empty{display:flex;align-items:center;justify-content:center;height:100%;font-size:13px;color:var(--stu-faint)}.stu-diag{border-radius:9px;padding:8px 10px;font-size:12px;line-height:1.45}.stu-diag-error{background:var(--stu-red-soft);color:var(--stu-red)}.stu-diag-warn{background:var(--stu-amber-soft);color:var(--stu-amber)}.stu-diag-code{font-family:var(--stu-mono);font-size:9.5px;font-weight:700;letter-spacing:.05em;opacity:.75}.stu-diag-msg{margin-top:2px;font-weight:500}.stu-diag-hint{margin-top:3px;font-size:11.5px;opacity:.85}.stu-field-diags{display:flex;flex-direction:column;gap:3px}.stu-field-diag{font-size:11px;line-height:1.4;border-radius:6px;padding:4px 8px}.stu-field-diag-error{background:var(--stu-red-soft);color:var(--stu-red)}.stu-field-diag-warn{background:var(--stu-amber-soft);color:var(--stu-amber)}.stu-form{display:flex;flex-direction:column;gap:13px}.stu-field{display:flex;flex-direction:column;gap:4px}.stu-field-label{font-size:11.5px;font-weight:600;color:var(--stu-slate);display:flex;align-items:baseline;gap:6px}.stu-optional{font-size:9px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:var(--stu-faint)}.stu-input{width:100%;border:1px solid var(--stu-rule);border-radius:8px;padding:7px 9px;height:32px;font-size:12.5px;font-family:inherit;color:var(--stu-ink);background:var(--stu-panel);outline:none;transition:border-color .13s ease-out,box-shadow .13s ease-out}.stu-input:focus{border-color:var(--stu-navy);box-shadow:var(--stu-ring)}.stu-input-area{resize:vertical;min-height:64px;height:auto;line-height:1.5}.stu-input-select{cursor:pointer}.stu-toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer;user-select:none}.stu-toggle-label{font-size:12px;color:var(--stu-gray)}.stu-swatches{display:flex;align-items:center;gap:6px}.stu-swatch{width:20px;height:20px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;transition:transform .1s}.stu-swatch:hover{transform:scale(1.12)}.stu-swatch-active{border-color:var(--stu-ink);box-shadow:inset 0 0 0 2px var(--stu-panel)}.stu-swatch-clear{border:none;background:none;color:var(--stu-faint);font-size:14px;cursor:pointer;padding:0 2px}.stu-chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.stu-chip-item{display:inline-flex;align-items:center;gap:5px;background:var(--stu-navy-soft);color:var(--stu-navy);font-size:12px;font-weight:500;padding:3px 6px 3px 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var(--stu-red);border-radius:12px;box-shadow:var(--stu-shadow-lift);padding:12px 16px;z-index:60;max-width:min(560px,calc(100vw - 32px));animation:stu-pop-in .15s ease-out}.stu-conflict-msg{display:flex;flex-direction:column;gap:2px;font-size:12.5px}.stu-conflict-msg strong{color:var(--stu-red)}.stu-conflict-msg span{color:var(--stu-gray)}.stu-conflict-actions{display:flex;gap:8px}.stu-toasts{position:fixed;bottom:18px;right:18px;display:flex;flex-direction:column;gap:8px;z-index:70;max-width:360px}.stu-toast{display:flex;align-items:flex-start;gap:10px;background:var(--stu-tip-bg);color:var(--stu-tip-fg);border-radius:10px;box-shadow:var(--stu-shadow);padding:10px 12px;font-size:12.5px;line-height:1.4;animation:stu-pop-in .15s ease-out}.stu-toast-error{background:#8a2f22;color:#f8ece7}.stu-toast button{border:none;background:none;color:inherit;opacity:.65;cursor:pointer;font-size:14px;padding:0;line-height:1}.stu-toast 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var(--stu-rule);background:var(--stu-panel);color:var(--stu-red);font-size:12px;line-height:1;padding:0;cursor:pointer;pointer-events:auto;box-shadow:var(--stu-shadow);display:flex;align-items:center;justify-content:center;z-index:3}.stu-dx-x:hover{background:var(--stu-red-soft);border-color:var(--stu-red)}.stu-dx-add{border:1.5px dashed var(--stu-rule);background:var(--stu-panel);border-radius:999px;padding:3px 11px;font-size:11.5px;font-weight:600;color:var(--stu-navy);cursor:pointer;pointer-events:auto;white-space:nowrap;transition:border-color .12s,background .12s}.stu-dx-add:hover{border-color:var(--stu-navy);background:var(--stu-navy-soft)}.stu-dx-addbar{display:flex;gap:8px;flex-wrap:wrap;padding:8px 2px 2px;animation:stu-fade-in .12s ease-out}.stu-dx-add-spot{position:absolute;z-index:2;box-shadow:var(--stu-shadow)}.stu-dx-pop{position:absolute;pointer-events:auto;background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:var(--stu-radius);box-shadow:var(--stu-shadow-lift);padding:10px;display:flex;flex-direction:column;gap:8px;z-index:40;animation:stu-pop-in .12s ease-out}.stu-dx-pop-head{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:18px}.stu-dx-pop-title{font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--stu-slate);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stu-dx-pop-tools{display:flex;gap:2px}.stu-dx-pop-tools button{border:none;background:none;color:var(--stu-faint);font-size:12px;cursor:pointer;width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;padding:0}.stu-dx-pop-tools button:hover:not(:disabled){background:var(--stu-rule-soft);color:var(--stu-slate)}.stu-dx-pop-tools button:disabled{opacity:.3;cursor:default}.stu-dx-pop-tools .stu-dx-remove-btn:hover:not(:disabled){background:var(--stu-red-soft);color:var(--stu-red)}.stu-dx-fields{display:flex;flex-direction:column;gap:7px}.stu-dx-field{display:flex;flex-direction:column;gap:3px}.stu-dx-label{font-size:10.5px;font-weight:600;color:var(--stu-slate)}.stu-dx-more{align-self:flex-start;font-size:11px}.stu-dx-yaml{font-family:var(--stu-mono);font-size:11.5px}.stu-dx-err{font-size:11px;color:var(--stu-red)}.stu-input-invalid{border-color:var(--stu-red)!important;background:var(--stu-red-soft)}.stu-dx-ghost{position:absolute;pointer-events:none;z-index:46;border:1.5px solid var(--stu-sel);border-radius:8px;background:#233a5e1f;box-shadow:var(--stu-shadow-lift);display:flex;align-items:center;justify-content:center;overflow:hidden;opacity:.9}.stu-dx-ghost span{font-size:11px;font-weight:600;color:var(--stu-sel);background:#fffdf8;border-radius:5px;padding:1px 7px;max-width:calc(100% - 8px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:var(--stu-shadow)}.stu-dx-drop{position:absolute;pointer-events:none;z-index:45;background:var(--stu-sel-line);border-radius:2px;box-shadow:0 0 0 1px #ffffffa6}.stu-dx-snap{position:absolute;pointer-events:none;z-index:45;border:2px dashed var(--stu-sel-line);border-radius:10px;background:#2f6f6a1a;box-shadow:0 0 0 4px #2f6f6a1a;transition:left .12s ease-out,top .12s ease-out,width .12s ease-out,height .12s ease-out}.stu-dx-dot{position:absolute;width:12px;height:12px;border-radius:50%;border:2px solid var(--stu-sel);background:var(--stu-panel);padding:0;cursor:crosshair;pointer-events:auto;box-shadow:var(--stu-shadow);z-index:6;animation:stu-fade-in .1s ease-out}.stu-dx-dot:hover{background:var(--stu-sel)}.stu-dx-hit{position:absolute;pointer-events:none;z-index:3;overflow:visible}.stu-dx-hit path{fill:none;stroke:transparent;stroke-width:12;pointer-events:stroke;cursor:pointer}.stu-dx-resize{position:absolute;width:10px;height:10px;border-radius:3px;border:2px solid var(--stu-sel);background:var(--stu-panel);padding:0;pointer-events:auto;box-shadow:var(--stu-shadow);z-index:6;animation:stu-fade-in .1s ease-out}.stu-dx-resize:hover{background:var(--stu-sel)}.stu-dx-wire{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:44;overflow:visible}.stu-dx-wire line{stroke:var(--stu-terra);stroke-width:2;stroke-dasharray:6 4;stroke-linecap:round;animation:stu-dx-dash .6s linear infinite}.stu-dx-wire circle{fill:var(--stu-terra)}@keyframes stu-dx-dash{to{stroke-dashoffset:-10}}.stu-dx-connect-target{position:absolute;pointer-events:none;z-index:45;border:2px solid var(--stu-terra);border-radius:8px;background:var(--stu-terra-soft);box-shadow:0 0 0 4px var(--stu-terra-soft);animation:stu-fade-in .1s ease-out}.stu-dx-connect-picker{position:absolute;z-index:47;min-width:128px;display:flex;flex-direction:column;gap:1px;background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:9px;box-shadow:var(--stu-shadow-lift);padding:4px;pointer-events:auto;animation:stu-pop-in .12s ease-out}.stu-dx-connect-picker-title{font-size:9.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--stu-gray);padding:3px 8px 2px}.stu-dx-connect-picker button{border:none;background:none;border-radius:6px;text-align:left;font-size:12px;font-weight:600;color:var(--stu-ink);padding:5px 8px;cursor:pointer}.stu-dx-connect-picker button:hover{background:var(--stu-navy-soft)}.stu-dx-penning,.stu-dx-penning svg[data-grid]{cursor:crosshair;touch-action:none}.stu-dx-ink{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:46;overflow:visible}.stu-dx-ink polyline{fill:none;stroke:var(--stu-terra);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.stu-dx-ink-out polyline{animation:stu-dx-ink-fade .16s ease-out forwards}@keyframes stu-dx-ink-fade{0%{opacity:1}to{opacity:.25}}.stu-dx-sketch-flash{position:absolute;pointer-events:none;z-index:45;border:2px solid var(--stu-terra);border-radius:10px;background:var(--stu-terra-soft);animation:stu-dx-flash .16s ease-out}@keyframes stu-dx-flash{0%{opacity:.2}to{opacity:1}}.stu-dx-marquee{position:absolute;pointer-events:none;z-index:46;border:1.5px dashed var(--stu-sel);border-radius:4px;background:#233a5e0d}.stu-dx-sel{position:absolute;border:2px solid var(--stu-sel);border-radius:6px;background:#233a5e0d;box-shadow:0 0 0 3px #233a5e29;pointer-events:none;animation:stu-fade-in .1s ease-out}.stu-sheet-preview-wrap{position:relative}@keyframes stu-flash{0%{background:var(--stu-teal-soft);box-shadow:0 0 0 3px color-mix(in srgb,var(--stu-teal) 25%,transparent)}to{background:transparent;box-shadow:none}}.stu-field-flash{animation:stu-flash 1.3s ease-out;border-radius:8px}.stu-stepper{display:flex;align-items:center;gap:4px}.stu-stepper .stu-input-num{width:72px;text-align:center}.stu-step-btn{flex:none;width:26px;height:26px;border:1px solid var(--stu-rule);border-radius:7px;background:var(--stu-panel);color:var(--stu-slate);font-size:14px;line-height:1;cursor:pointer;transition:border-color .12s,background .12s}.stu-step-btn:hover{border-color:var(--stu-navy);background:var(--stu-navy-soft);color:var(--stu-navy)}.stu-colorctl{display:flex;flex-direction:column;gap:6px}.stu-swatches-wrap{flex-wrap:wrap;gap:5px}.stu-swatch-sm{width:17px;height:17px;border-radius:5px}.stu-colorrow{display:flex;align-items:center;gap:6px}.stu-colorpick{flex:none;width:32px;height:28px;padding:2px;border:1px solid var(--stu-rule);border-radius:7px;background:var(--stu-panel);cursor:pointer}.stu-colorhex{width:110px;height:28px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;letter-spacing:.02em}.stu-collapse{border-top:1px dashed var(--stu-rule);margin-top:2px}.stu-collapse-head{display:flex;align-items:center;gap:6px;width:100%;border:none;background:none;padding:7px 0 5px;font-size:11px;font-weight:600;letter-spacing:.03em;color:var(--stu-gray);cursor:pointer;text-align:left}.stu-collapse-head:hover{color:var(--stu-navy)}.stu-collapse-count{min-width:16px;height:15px;padding:0 4px;border-radius:999px;background:var(--stu-rule-soft);color:var(--stu-gray);font-size:9.5px;font-weight:600;line-height:15px;text-align:center}.stu-collapse-body{display:flex;flex-direction:column;gap:10px;padding:2px 0 6px}.stu-gap-locked{pointer-events:none}.stu-gap-locked .stu-gap-line,.stu-gap-locked .stu-gap-plus{display:none}.stu-update{position:fixed;bottom:16px;left:50%;transform:translate(-50%);z-index:90;display:flex;align-items:center;gap:8px;padding:7px 10px 7px 14px;border-radius:999px;background:var(--stu-tip-bg);color:var(--stu-tip-fg);font-size:12.5px;box-shadow:var(--stu-shadow-lift)}.stu-update-btn{border:none;border-radius:999px;padding:4px 12px;background:var(--stu-tip-fg);color:var(--stu-tip-bg);font-size:12px;font-weight:600;cursor:pointer}.stu-update-btn:hover{filter:brightness(.96)}.stu-dx-hl-twin{border-style:dashed;border-color:#233a5e8c;background:#233a5e0a}@keyframes stu-dx-flash-kf{0%{border-color:var(--stu-sel-line);background:#2f6f6a2e;box-shadow:0 0 0 4px #2f6f6a2e}to{border-color:transparent;background:transparent;box-shadow:none}}.stu-dx-flash{position:absolute;border:1.5px solid transparent;border-radius:6px;pointer-events:none;animation:stu-dx-flash-kf 1.35s ease-out forwards}.stu-dx-add-steps{border-style:solid;border-color:var(--stu-teal);color:var(--stu-teal)}.stu-dx-add-steps:hover{border-color:var(--stu-teal);background:var(--stu-teal-soft)}.stu-combo{position:relative}.stu-combo-caret{position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:9px;color:var(--stu-faint);pointer-events:none}.stu-combo .stu-input{padding-right:24px}.stu-combo-list{position:absolute;top:calc(100% + 3px);left:0;right:0;z-index:40;margin:0;padding:4px;list-style:none;background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:9px;box-shadow:var(--stu-shadow-lift);max-height:186px;overflow-y:auto}.stu-combo-item{display:flex;align-items:baseline;gap:7px;padding:5px 8px;border-radius:6px;font-size:12px;cursor:pointer}.stu-combo-item-active{background:var(--stu-navy-soft)}.stu-combo-value{font-weight:600;color:var(--stu-ink)}.stu-combo-label{font-size:11px;color:var(--stu-gray);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stu-keybar{position:fixed;bottom:0;left:0;right:0;z-index:95;display:flex;align-items:center;justify-content:center;gap:18px;padding:5px 34px 6px;background:color-mix(in srgb,var(--stu-panel) 88%,transparent);backdrop-filter:blur(6px);border-top:1px solid var(--stu-rule);font-size:11px;color:var(--stu-gray)}.stu-keybar-hint kbd,.stu-slash-next kbd,.stu-keys-card kbd{font-family:inherit;font-size:10px;font-weight:600;color:var(--stu-slate);background:var(--stu-rule-soft);border:1px solid var(--stu-rule);border-bottom-width:2px;border-radius:4px;padding:1px 5px;white-space:nowrap}.stu-keybar-x{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:none;background:none;color:var(--stu-faint);cursor:pointer;padding:3px}.stu-keybar-x:hover{color:var(--stu-slate)}.stu-keys-backdrop{position:fixed;inset:0;z-index:120;background:var(--stu-scrim);display:flex;align-items:center;justify-content:center}.stu-keys-card{width:min(680px,calc(100vw - 48px));max-height:calc(100vh - 96px);overflow-y:auto;background:var(--stu-panel);border-radius:14px;box-shadow:var(--stu-shadow-lift);padding:18px 22px 14px}.stu-keys-card header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.stu-keys-card h2{font-size:15px;font-weight:750;letter-spacing:-.02em;color:var(--stu-display);margin:0}.stu-keys-card header button{border:none;background:none;color:var(--stu-faint);cursor:pointer;padding:4px}.stu-keys-cols{display:grid;grid-template-columns:1fr 1fr;gap:6px 28px}.stu-keys-cols section:first-child{grid-row:span 2}.stu-keys-cols h3{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--stu-gray);margin:10px 0 6px}.stu-keys-row{display:flex;align-items:baseline;gap:10px;padding:3px 0;font-size:12px;color:var(--stu-slate)}.stu-keys-row kbd{flex:none;min-width:86px;text-align:center}.stu-keys-card footer{margin-top:14px;padding-top:10px;border-top:1px solid var(--stu-rule);font-size:11px;color:var(--stu-gray);text-align:center}.stu-slash-next{display:flex;justify-content:center;padding:2px 0 4px;font-size:11.5px;color:var(--stu-gray);gap:5px;animation:stu-fade-in .25s ease-out}[data-doc-theme=dark] .stu-seg:hover{box-shadow:0 0 0 1px #ffffff47,0 2px 10px -4px #00000080}[data-doc-theme=dark] .stu-seg-selected,[data-doc-theme=dark] .stu-seg-selected:hover{box-shadow:0 0 0 2px #7ab5ff,0 0 0 5px #7ab5ff38}[data-doc-theme=dark] .stu-seg-editing,[data-doc-theme=dark] .stu-seg-editing:hover{box-shadow:none}[data-doc-theme=dark] .stu-prose-editor{box-shadow:0 0 0 2px 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var(--stu-rule)}.stu-grid-cellbtn:hover{color:var(--stu-navy);box-shadow:0 0 0 1px var(--stu-navy)}.stu-grid-cellbtn-danger:hover{color:var(--stu-red);background:var(--stu-red-soft);box-shadow:0 0 0 1px var(--stu-red)}.stu-grid-rowdel{box-shadow:none;background:none}.stu-grid-addcol{border:none;background:none;color:var(--stu-navy);font-size:12px;font-weight:700;cursor:pointer;width:100%;height:30px;border-radius:6px}.stu-grid-addcol:hover{background:var(--stu-navy-soft)}.stu-grid-tonedot{position:absolute;right:4px;top:4px;width:6px;height:6px;border-radius:50%;pointer-events:none}.stu-grid-tone-pos{background:var(--stu-green)}.stu-grid-tone-neg{background:var(--stu-red)}.stu-grid-tone-warn{background:var(--stu-amber)}.stu-grid-tone-muted{background:var(--stu-faint)}.stu-grid-pop{position:fixed;z-index:130;width:224px;background:var(--stu-panel);border:1px solid 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code{font-family:var(--stu-mono);font-size:11.5px;color:var(--stu-navy);background:var(--stu-well);border:1px solid var(--stu-rule-soft);border-radius:5px;padding:1px 4px}.stu-import-slug{width:100%;border:1px solid var(--stu-rule);border-radius:8px;padding:7px 10px;font-family:var(--stu-mono);font-size:12px;outline:none;margin-bottom:14px}.stu-import-slug:focus{border-color:var(--stu-navy);box-shadow:var(--stu-ring)}.stu-import-foot{display:flex;align-items:center;gap:8px}.stu-import-hint{flex:1;font-size:11px;color:var(--stu-faint)}.stu-picker-foot{border-top:1px solid var(--stu-rule-soft);padding:4px;flex:none}.stu-picker-import{display:flex;align-items:center;gap:7px;width:100%;border:none;background:none;border-radius:8px;padding:7px 10px;font-size:12.5px;font-weight:600;color:var(--stu-navy);cursor:pointer;text-align:left}.stu-picker-import:hover{background:var(--stu-navy-soft)}.stu-picker-import:disabled{opacity:.5;cursor:default}.stu-picker-import-hint{margin-left:auto;font-size:11px;font-weight:400;color:var(--stu-faint)}.stu-libbtn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px;border:1px solid var(--stu-rule);border-radius:8px;background:var(--stu-panel);color:var(--stu-slate);font-size:12px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background .13s ease-out,color .13s ease-out}.stu-libbtn:hover{background:var(--stu-navy-soft);color:var(--stu-navy)}.stu-libbtn:disabled{opacity:.5;cursor:default}.stu-export{position:relative}.stu-export-pop{position:absolute;top:36px;right:0;min-width:168px;padding:6px;background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:12px;box-shadow:var(--stu-shadow-lift);z-index:40;animation:stu-pop-in .14s ease-out}.stu-export-item{display:block;width:100%;border:none;background:none;padding:8px 10px;border-radius:8px;font:inherit;font-size:12.5px;font-weight:600;color:var(--stu-ink);text-align:left;cursor:pointer}.stu-export-item:hover{background:var(--stu-navy-soft);color:var(--stu-navy)}.stu-export-item:disabled{opacity:.6;cursor:default}.stu-dx-note{position:absolute;z-index:30;pointer-events:auto;border:1px solid var(--stu-navy);border-radius:8px;background:var(--stu-panel);padding:4px 10px;font-size:11.5px;font-weight:600;color:var(--stu-navy);cursor:pointer;box-shadow:var(--stu-shadow-lift)}.stu-dx-note:hover{background:var(--stu-navy);color:#fff}.stu-cover{position:relative;cursor:pointer;border-radius:10px}.stu-cover:hover,.stu-cover:focus-visible{outline:2px solid var(--stu-navy-soft);outline-offset:6px}.stu-cover-edit{position:absolute;top:10px;right:10px;padding:5px 11px;border:1px solid var(--stu-rule);border-radius:8px;background:var(--stu-panel);font-size:11.5px;font-weight:600;color:var(--stu-slate);opacity:0;transition:opacity .13s ease-out;pointer-events:none}.stu-cover:hover .stu-cover-edit,.stu-cover:focus-visible .stu-cover-edit{opacity:1}a.stu-libbtn,a.stu-btn{text-decoration:none;display:inline-flex;align-items:center}.stu-present{border-color:var(--stu-navy);color:var(--stu-navy);background:var(--stu-navy-soft)}.stu-present:hover,.stu-present-on{background:var(--stu-navy);color:#fff}.stu-picker-backdrop{position:fixed;inset:0;background:var(--stu-scrim);z-index:60;display:flex;align-items:center;justify-content:center;animation:stu-fade-in .14s ease-out}.stu-picker-browse{position:relative;width:min(1180px,calc(100vw - 40px));height:calc(100vh - 56px);background:var(--stu-bg);border:1px solid var(--stu-rule);border-radius:14px;box-shadow:var(--stu-shadow-lift);display:flex;flex-direction:column;overflow:hidden;animation:stu-sheet-in .16s ease-out}.stu-picker-head{flex:none;display:flex;flex-direction:column;gap:10px;padding:16px 22px 12px;background:var(--stu-panel);border-bottom:1px solid var(--stu-rule)}.stu-picker-title{display:flex;align-items:center;gap:9px}.stu-picker-title-icon{display:inline-flex;color:var(--stu-navy)}.stu-picker-title h2{margin:0;font-size:19px;font-weight:750;letter-spacing:-.02em;color:var(--stu-display)}.stu-picker-title-count{font-size:13px;color:var(--stu-gray);font-variant-numeric:tabular-nums}.stu-picker-x{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;margin-left:auto;border:none;border-radius:8px;background:none;color:var(--stu-gray);cursor:pointer}.stu-picker-x:hover{background:var(--stu-rule-soft);color:var(--stu-ink)}.stu-picker-browse-search{display:flex;align-items:center;gap:9px;padding:8px 12px;border:1px solid var(--stu-rule);border-radius:9px;background:var(--stu-well);color:var(--stu-faint)}.stu-picker-browse-search:focus-within{border-color:var(--stu-navy);box-shadow:var(--stu-ring)}.stu-picker-browse-search input{flex:1;min-width:0;border:none;outline:none;background:none;font-family:inherit;font-size:13.5px;color:var(--stu-ink)}.stu-picker-showing{flex:none;font-size:11.5px;color:var(--stu-gray);font-variant-numeric:tabular-nums;white-space:nowrap}.stu-picker-pills{display:flex;flex-wrap:wrap;gap:6px}.stu-picker-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 6px 3px 10px;border:1px solid var(--stu-rule);border-radius:999px;background:var(--stu-panel);font-size:11.5px;font-weight:600;color:var(--stu-slate);cursor:pointer;transition:border-color .13s ease-out,color .13s ease-out,background .13s ease-out}.stu-picker-pill:hover{border-color:var(--stu-navy);color:var(--stu-navy)}.stu-picker-pill-active,.stu-picker-pill-active:hover{background:var(--stu-navy);border-color:var(--stu-navy);color:var(--stu-on-navy)}.stu-picker-pill-empty:not(.stu-picker-pill-active){opacity:.45}.stu-picker-pill-count{font-size:10px;padding:0 6px;border-radius:999px;background:var(--stu-rule-soft);color:var(--stu-gray);font-variant-numeric:tabular-nums}.stu-picker-pill-active .stu-picker-pill-count{background:color-mix(in srgb,var(--stu-on-navy) 20%,transparent);color:var(--stu-on-navy)}.stu-picker-body{flex:1;min-height:0;overflow-y:auto;padding:18px 22px 28px}.stu-picker-fam{content-visibility:auto;contain-intrinsic-size:auto 300px}.stu-picker-fam+.stu-picker-fam{margin-top:24px}.stu-picker-famhead{display:flex;align-items:center;gap:8px;margin:0 2px 10px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--stu-gray)}.stu-picker-famhead:after{content:"";flex:1;height:1px;background:var(--stu-rule);margin-left:6px}.stu-picker-count{font-size:10.5px;font-weight:600;color:var(--stu-faint);background:var(--stu-rule-soft);border-radius:999px;padding:1px 7px}.stu-picker-grid{grid-template-columns:repeat(auto-fill,minmax(215px,1fr))}.stu-picker-card{position:relative;background:var(--stu-panel)}.stu-picker-also{align-self:flex-start;margin:2px 2px 0;padding:1px 7px;border-radius:999px;font-family:var(--stu-mono);font-size:10px;font-weight:600;color:var(--stu-amber);background:var(--stu-amber-soft)}.stu-picker-empty{padding:64px 24px;text-align:center;font-size:13.5px;color:var(--stu-faint)}.stu-picker-detail-backdrop{position:absolute;inset:0;z-index:5;background:var(--stu-scrim);display:flex;align-items:center;justify-content:center;animation:stu-fade-in .12s ease-out}.stu-picker-detail{width:min(980px,calc(100% - 48px));height:min(620px,calc(100% - 48px));background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:14px;box-shadow:var(--stu-shadow-lift);display:flex;flex-direction:column;overflow:hidden;animation:stu-pop-in .14s ease-out}.stu-picker-detail-head{display:flex;align-items:center;padding:14px 18px 0;flex:none}.stu-picker-detail-title{display:flex;align-items:center;gap:8px;min-width:0}.stu-picker-detail-title h3{margin:0;font-size:16px;font-weight:750;letter-spacing:-.02em;color:var(--stu-display);white-space:nowrap}.stu-picker-detail-fam{font-size:11px;color:var(--stu-gray);border-left:1px solid var(--stu-rule);padding-left:8px;white-space:nowrap}.stu-picker-detail-desc{margin:6px 18px 0;font-size:12.5px;line-height:1.5;color:var(--stu-gray);flex:none}.stu-picker-detail-alias{align-self:flex-start;margin:8px 18px 0;padding:4px 10px;border-radius:8px;font-size:12px;color:var(--stu-amber);background:var(--stu-amber-soft);flex:none}.stu-picker-detail-alias code{font-family:var(--stu-mono);font-size:11px;font-weight:600}.stu-picker-detail-body{flex:1;min-height:240px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:12px;padding:12px 18px 0}@media(max-width:860px){.stu-picker-detail-body{grid-template-columns:minmax(0,1fr);overflow-y:auto}}.stu-picker-pane{display:flex;flex-direction:column;min-height:0;min-width:0}.stu-picker-pane-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--stu-gray);flex:none}.stu-picker-preview{flex:1;min-height:200px;overflow:auto;border:1px solid var(--stu-rule);border-radius:10px;background:var(--stu-well)}.stu-picker-preview-doc{padding:18px 22px;min-width:440px}.stu-picker-preview-blank{display:flex;align-items:center;justify-content:center;height:100%;font-family:var(--stu-mono);font-size:12px;color:var(--stu-faint)}.stu-picker-yaml{flex:1;min-height:200px;margin:0;overflow:auto;border:1px solid var(--stu-rule);border-radius:10px;background:var(--stu-well);padding:12px 14px;font-family:var(--stu-mono);font-size:11.5px;line-height:1.55;color:var(--stu-ink);white-space:pre}.stu-picker-copy{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border:1px solid var(--stu-rule);border-radius:7px;background:var(--stu-panel);font-size:10.5px;font-weight:600;letter-spacing:0;text-transform:none;color:var(--stu-slate);cursor:pointer}.stu-picker-copy:hover{border-color:var(--stu-navy);color:var(--stu-navy)}.stu-picker-detail-foot{display:flex;align-items:center;gap:8px;padding:12px 18px 14px;flex:none}.stu-picker-detail-hint{flex:1;font-size:11px;color:var(--stu-faint)}.stu-shell{flex:1;min-height:0;display:flex}.stu-main{flex:1;min-width:0;display:flex;flex-direction:column}.stu-num{font-variant-numeric:tabular-nums}.stu-rail{position:relative;flex:0 0 232px;display:flex;background:var(--stu-panel);border-right:1px solid var(--stu-rule)}.stu-rail-full{flex:1;min-width:0;display:flex;flex-direction:column}.stu-rail-brand{display:flex;align-items:center;gap:8px;padding:16px 16px 12px;border:none;background:none;cursor:pointer;text-align:left}.stu-rail-mark{width:22px;height:22px;object-fit:contain;flex:none}.stu-rail-name{font-size:13px;font-weight:700;letter-spacing:-.01em;color:var(--stu-navy);white-space:nowrap}.stu-rail-name em{font-style:normal;font-weight:500;color:var(--stu-teal)}.stu-rail-search{display:flex;align-items:center;gap:8px;margin:4px 12px 8px;padding:0 12px;height:32px;border:1px solid var(--stu-rule);border-radius:8px;background:var(--stu-well);color:var(--stu-faint);cursor:text}.stu-rail-search-off{opacity:.45}.stu-rail-search input{flex:1;min-width:0;border:none;background:none;font:inherit;font-size:12px;color:var(--stu-ink)}.stu-rail-search input:focus{outline:none}.stu-rail-search input::placeholder{color:var(--stu-faint)}.stu-rail-search kbd{font-family:var(--stu-font);font-size:10px;color:var(--stu-faint);border:1px solid var(--stu-rule);border-radius:4px;padding:0 4px;background:var(--stu-panel)}.stu-rail-search:focus-within{border-color:var(--stu-navy);box-shadow:var(--stu-ring)}.stu-rail-new{display:flex;align-items:center;justify-content:center;gap:8px;margin:0 12px 12px;height:32px;border:1px solid var(--stu-navy);border-radius:8px;background:var(--stu-panel);color:var(--stu-navy);font-size:12px;font-weight:600;cursor:pointer;transition:background .13s ease-out}.stu-rail-new:hover{background:var(--stu-navy-soft)}.stu-rail-group{display:flex;align-items:baseline;justify-content:space-between;padding:8px 16px 4px;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--stu-faint)}.stu-rail-doc{display:flex;align-items:center;gap:8px;width:100%;padding:4px 16px;border:none;border-left:2px solid transparent;background:none;font-size:12px;color:var(--stu-slate);text-align:left;cursor:pointer}.stu-rail-doc:hover{background:var(--stu-well)}.stu-rail-doc-on,.stu-rail-doc-on:hover{background:var(--stu-well);border-left-color:var(--stu-navy);color:var(--stu-ink);font-weight:600}.stu-rail-root{margin-top:4px;flex:none}.stu-rail-doc-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stu-rail-dot{width:5px;height:5px;border-radius:50%;background:var(--stu-red);margin-left:auto;flex:none}.stu-rail-scroll{flex:1;min-height:0;overflow-y:auto;padding-bottom:8px}.stu-rail-none{padding:12px 16px;font-size:12px;color:var(--stu-faint)}.stu-rail-foot{display:flex;align-items:center;gap:16px;border-top:1px solid var(--stu-rule-soft);padding:8px 16px;font-size:12px;color:var(--stu-gray)}.stu-rail-foot a{color:inherit;text-decoration:none}.stu-rail-foot a:hover,.stu-rail-foot button:hover{color:var(--stu-navy)}.stu-rail-foot-settings{position:relative}.stu-rail-foot button{border:none;background:none;padding:0;font:inherit;color:inherit;cursor:pointer}.stu-rail-settings{position:absolute;left:0;bottom:28px;width:208px;padding:12px;background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:12px;box-shadow:var(--stu-shadow-lift);z-index:60;animation:stu-pop-in .14s ease-out}.stu-rail-settings-title{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--stu-faint);margin-bottom:8px}.stu-rail-settings-hint{margin:8px 0 0;font-size:11px;line-height:1.45;color:var(--stu-faint)}.stu-rail-mini{display:none;flex-direction:column;align-items:center;gap:16px;padding:12px 0;width:52px;flex:none}.stu-rail-mini-mark{border:none;background:none;padding:0;cursor:pointer}.stu-rail-mini-mark img{width:22px;height:22px;object-fit:contain;display:block}.stu-rail-mini-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;border-radius:8px;background:none;color:var(--stu-gray);cursor:pointer}.stu-rail-mini-btn:hover{background:var(--stu-well);color:var(--stu-navy)}.stu-rail-mini-on{color:var(--stu-navy);background:var(--stu-navy-soft)}.stu-crumb{display:flex;align-items:center;gap:4px;min-width:0;font-size:12px;color:var(--stu-gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stu-crumb b{color:var(--stu-ink);font-weight:600;overflow:hidden;text-overflow:ellipsis}.stu-checkchip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;white-space:nowrap}.stu-checkchip-ok{color:var(--stu-green);padding-left:0}.stu-checkchip-err{color:var(--stu-red);background:var(--stu-red-soft);border:1px solid color-mix(in srgb,var(--stu-red) 22%,var(--stu-panel))}.stu-savebtn{height:30px;padding:0 12px;font-size:12px}.stu-savewrap{display:inline-flex;align-items:center;gap:8px}.stu-savemeta{font-size:11px;color:var(--stu-faint);white-space:nowrap}.stu-export-sep{height:1px;margin:4px 6px;background:var(--stu-rule-soft)}a.stu-export-item{text-decoration:none}.stu-doclist{flex:1;min-height:0;overflow-y:auto;padding:24px 32px}.stu-doclist-inner{max-width:880px;margin:0 auto}.stu-doclist-table{background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:10px;overflow:hidden}.stu-doclist-head,.stu-doclist-row{display:grid;grid-template-columns:minmax(0,2fr) 1fr 96px 96px 24px;gap:8px;align-items:center;padding:8px 16px}.stu-doclist-head{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--stu-faint)}.stu-doclist-row{width:100%;border:none;border-top:1px solid var(--stu-rule-soft);background:none;font-size:12px;color:var(--stu-slate);text-align:left;cursor:pointer}.stu-doclist-row:hover{background:var(--stu-well)}.stu-doclist-name{font-weight:600;color:var(--stu-navy);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stu-doclist-folder,.stu-doclist-edited{color:var(--stu-faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stu-doclist-chev{color:var(--stu-faint);justify-self:end}.stu-doclist-empty{flex:1;display:flex;align-items:center;justify-content:center;overflow-y:auto;padding:24px}.stu-doclist-empty-inner{text-align:center;max-width:440px}.stu-doclist-empty-icon{width:56px;height:56px;border-radius:16px;background:var(--stu-panel);border:1px solid var(--stu-rule);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--stu-navy)}.stu-doclist-empty-title{font-size:16px;font-weight:700;color:var(--stu-display);margin-bottom:8px}.stu-doclist-empty-sub{margin:0 0 16px;font-size:13px;line-height:1.55;color:var(--stu-slate)}.stu-doclist-empty-sub code{font-family:var(--stu-mono);font-size:12px}.stu-doclist-empty-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}.stu-doclist-empty-chip{border:1px solid var(--stu-rule);border-radius:8px;background:var(--stu-panel);padding:4px 12px;font-size:12px;color:var(--stu-slate);cursor:pointer}.stu-doclist-empty-chip:hover{border-color:var(--stu-navy);color:var(--stu-navy)}.stu-app:has(.stu-rail) .stu-keybar{left:232px}@media(max-width:820px){.stu-rail{flex:0 0 52px}.stu-rail-mini{display:flex}.stu-rail-full{display:none}.stu-rail-drawer .stu-rail-full{display:flex;position:absolute;left:0;top:0;bottom:0;width:232px;background:var(--stu-panel);border-right:1px solid var(--stu-rule);box-shadow:var(--stu-shadow-lift);z-index:60}.stu-savemeta{display:none}.stu-app:has(.stu-rail) .stu-keybar{left:52px}.stu-doclist{padding:16px}.stu-topbar-wide{display:none}.stu-topbar-more{display:block}.stu-sheet-backdrop{top:0;left:0;width:auto;background:var(--stu-scrim);display:flex;align-items:flex-end;justify-content:center;animation:stu-fade-in .14s ease-out}.stu-app:has(.stu-sheet-backdrop) .stu-canvas{margin-right:0}.stu-sheet{width:100vw;max-width:none;height:88vh;border-left:none;border-radius:16px 16px 0 0;box-shadow:var(--stu-shadow-lift);animation:stu-sheet-up .18s ease-out}.stu-sheet:before{content:"";display:block;flex:none;width:36px;height:4px;border-radius:2px;background:var(--stu-rule);margin:8px auto 0}.stu-sheet-head{flex-wrap:nowrap;padding:8px 14px 10px;gap:10px}.stu-sheet-title{flex:1 1 auto}.stu-sheet-prevbtn{display:none}.stu-sheet-form{border-bottom:1px solid var(--stu-rule);padding-bottom:18px}.stu-sheet-preview,.stu-sheet-preview.stu-sheet-preview-open{display:flex;flex:1;min-height:0;border-top:none}}@keyframes stu-sheet-up{0%{opacity:.5;transform:translateY(28px)}to{opacity:1;transform:none}}.stu-seg:has(>.stu-seg-diag){margin-top:28px}@media(min-width:821px)and (max-width:1150px){.stu-app:has(.stu-sheet-backdrop){--stu-sheetw: 400px}.stu-app:has(.stu-sheet-backdrop) .stu-rail{flex:0 0 52px}.stu-app:has(.stu-sheet-backdrop) .stu-rail-mini{display:flex}.stu-app:has(.stu-sheet-backdrop) .stu-rail-full{display:none}}.stu-seg-err,.stu-seg-err:hover{box-shadow:0 0 0 1px var(--stu-red),0 0 0 4px color-mix(in srgb,var(--stu-red) 14%,transparent)}.stu-seg-err.stu-seg-selected,.stu-seg-err.stu-seg-selected:hover{box-shadow:0 0 0 2px var(--stu-red),0 0 0 5px color-mix(in srgb,var(--stu-red) 14%,transparent)}.stu-seg-diag{position:absolute;top:-24px;left:8px;z-index:2;padding:1px 8px;background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:999px;box-shadow:var(--stu-shadow);font-family:var(--stu-mono);font-size:10px;font-weight:600;letter-spacing:.05em;white-space:nowrap;pointer-events:none}.stu-seg-diag-err{color:var(--stu-red)}.stu-seg-diag-warn{color:var(--stu-amber)}.stu-checkwrap{position:relative;display:inline-flex}.stu-checkchip{border:1px solid transparent;background:none;font:inherit;cursor:pointer}.stu-checkchip-caret{opacity:.7;font-size:10px}.stu-checkpop{position:absolute;top:calc(100% + 10px);right:0;width:420px;max-width:calc(100vw - 32px);background:var(--stu-panel);border:1px solid var(--stu-rule);border-radius:10px;box-shadow:var(--stu-shadow-lift);z-index:60;animation:stu-pop-in .14s ease-out}.stu-checkpop-caret{position:absolute;top:-6px;right:24px;width:10px;height:10px;background:var(--stu-panel);border-left:1px solid var(--stu-rule);border-top:1px solid var(--stu-rule);transform:rotate(45deg)}.stu-checkpop-head{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--stu-rule-soft);font-size:12px}.stu-checkpop-chip{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;border-radius:999px;padding:2px 10px;border:1px solid transparent}.stu-checkpop-chip-err{color:var(--stu-red);background:var(--stu-red-soft);border-color:color-mix(in srgb,var(--stu-red) 22%,var(--stu-panel))}.stu-checkpop-chip-warn{color:var(--stu-amber);background:var(--stu-amber-soft);border-color:color-mix(in srgb,var(--stu-amber) 26%,var(--stu-panel))}.stu-checkpop-chip-ok{color:var(--stu-green)}.stu-checkpop-ran{margin-left:auto;font-size:11px;color:var(--stu-faint)}.stu-checkpop-rows{padding:8px 0;max-height:320px;overflow-y:auto}.stu-checkpop-empty{padding:8px 16px;font-size:12px;color:var(--stu-gray)}.stu-checkrow{display:flex;gap:8px;padding:8px 16px;font-size:12px;border-left:2px solid transparent}.stu-checkrow-error{border-left-color:var(--stu-red);background:var(--stu-well)}.stu-checkrow-error 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16px;font:inherit;font-size:12.5px;text-align:left;cursor:pointer}.stu-checkpop-docrow:hover{background:var(--stu-navy-soft)}.stu-checkpop-docname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;color:var(--stu-ink)}.stu-checkpop-doccount{flex:none;font-size:11px;font-weight:600;color:var(--stu-red)}.stu-doclist-status{justify-self:start;display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;border-radius:999px;white-space:nowrap}.stu-doclist-status-ok{color:var(--stu-green)}.stu-doclist-status-err{color:var(--stu-red);background:var(--stu-red-soft);border:1px solid color-mix(in srgb,var(--stu-red) 22%,var(--stu-panel));padding:2px 10px}.stu-review-errline{margin:0;padding:8px 20px 0;font-size:12px;font-weight:600;color:var(--stu-red)}.stu-libbtn:focus-visible,.stu-export-item:focus-visible,.stu-checkchip:focus-visible,.stu-checkrow-open:focus-visible,.stu-checkpop-docrow:focus-visible,.stu-sheet-prevbtn:focus-visible,.stu-rail-brand:focus-visible,.stu-rail-mini-mark:focus-visible,.stu-rail-mini-btn:focus-visible,.stu-rail-new:focus-visible,.stu-rail-doc:focus-visible,.stu-rail-foot a:focus-visible,.stu-rail-foot button:focus-visible,.stu-picker-item:focus-visible,.stu-picker-import:focus-visible,.stu-picker-pill:focus-visible,.stu-picker-x:focus-visible,.stu-picker-copy:focus-visible,.stu-picker-yaml:focus-visible,.stu-doclist-row:focus-visible,.stu-doclist-empty-chip:focus-visible,.stu-keybar-x:focus-visible,.stu-keys-card header button:focus-visible,.stu-keys-tour:focus-visible,.stu-autosave input:focus-visible+.stu-switch{outline:none;box-shadow:var(--stu-ring)}.stu-picker-search:focus-within{border-bottom-color:var(--stu-navy)}