:root{--text:#2a2730;--muted:#6b6375;--bg:#fff;--border:#e5e4e7;--accent:#3b5bff;--accent-text:#fff;--surface:#f6f5f8;--ok:#1a7f37;--bad:#c62828;--warn:#9a6700;--them:#b4540a;--tabbar-h:60px;--header-h:52px;--sans:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;font:16px/1.5 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#ece9f1;--muted:#9d97a6;--bg:#14121a;--border:#2c2934;--accent:#7d93ff;--accent-text:#0d0b12;--surface:#1d1a24;--ok:#4ac26b;--bad:#ff6b6b;--warn:#e3b341;--them:#f0a35c}}*{box-sizing:border-box}body{background:var(--bg);margin:0}a{color:var(--accent)}input,select,textarea,button{font:inherit;border:1px solid var(--border);color:inherit;background:0 0;border-radius:8px;padding:10px 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var(--border);padding-bottom:env(safe-area-inset-bottom);z-index:10;display:flex;position:fixed;bottom:0;left:0;right:0}.tab{height:var(--tabbar-h);color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:.75rem;text-decoration:none;display:flex}.tab.active{color:var(--accent);font-weight:600}.tab-icon{width:24px;height:24px}.sticky-tools{z-index:5;background:var(--bg);border-bottom:1px solid var(--border);flex-direction:column;gap:10px;margin:-16px -16px 0;padding:16px 16px 10px;display:flex;position:sticky;top:0}.title-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.search{background:var(--surface);width:100%}.chips{scrollbar-width:none;gap:8px;margin:0 -16px;padding:0 16px 2px;display:flex;overflow-x:auto}.chips::-webkit-scrollbar{display:none}.chip{white-space:nowrap;border-radius:999px;flex:none;padding:6px 12px;font-size:.875rem}.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.section{flex-direction:column;gap:6px;display:flex}.section-title{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0;font-size:.8rem;font-weight:600}.list{border:1px solid var(--border);border-radius:12px;margin:0;padding:0;list-style:none;overflow:hidden}.list>li+li{border-top:1px solid var(--border)}.row{align-items:center;gap:12px;min-height:56px;padding:12px 14px;display:flex}.row-link{color:inherit;text-decoration:none}.row-link:active{background:var(--surface)}.row-nested{padding-left:28px}.row-main{flex:1;min-width:0}.row-title{flex-wrap:wrap;align-items:center;gap:8px;font-weight:600;display:flex}.row-sub{color:var(--muted);font-size:.875rem}.chevron{color:var(--muted);font-size:1.4rem}.pill{border:1px solid var(--accent);color:var(--accent);white-space:nowrap;border-radius:999px;flex:none;padding:6px 12px;font-size:.875rem;font-weight:600;text-decoration:none}.pill-done{border-color:var(--border);color:var(--ok)}.badges{flex-wrap:wrap;gap:6px;display:flex}.badge{background:var(--surface);color:var(--muted);border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:600}.status-pending{color:var(--warn)}.status-accepted{color:var(--ok)}.status-rejected{color:var(--bad)}.card{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:16px}.notice{background:var(--surface);color:var(--ok);border-radius:8px;margin:0;padding:10px 14px}.stack-sm{flex-direction:column;gap:8px;display:flex}.back{color:var(--accent);border:none;align-self:flex-start;padding:4px 0;text-decoration:none}.facts{grid-template-columns:max-content 1fr;gap:6px 16px;margin:0;display:grid}.facts dt{color:var(--muted)}.facts dd{margin:0}.actions{border-top:1px solid var(--border);padding-top:8px}.button{text-align:center;border:1px solid var(--border);width:100%;color:inherit;border-radius:10px;padding:12px 16px;font-weight:600;text-decoration:none;display:block}.button-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.button-danger{color:var(--bad)}button:disabled{opacity:.6;cursor:default}.field{flex-direction:column;gap:6px;display:flex}.field-label{font-size:.9rem;font-weight:600}.field-hint{color:var(--muted);font-size:.8rem}.field input,.field select,.field textarea{width:100%}select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);background-position:calc(100% - 18px),calc(100% - 13px);background-repeat:no-repeat;background-size:5px 5px;padding-right:32px}textarea{resize:vertical}.segmented{border:1px solid var(--border);border-radius:10px;gap:3px;padding:3px;display:flex}.segmented button{border:none;border-radius:8px;flex:1;padding:8px}.segmented button[aria-checked=true]{background:var(--accent);color:var(--accent-text);font-weight:600}.stack{flex-direction:column;gap:12px;display:flex}.checks{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.checks .mark{width:1.5em;font-weight:700;display:inline-block}.ok .mark{color:var(--ok)}.bad .mark,.error{color:var(--bad)}.small{font-size:.85rem}.button-row{gap:8px;display:flex}.row-button{text-align:left;border:none;border-radius:0;width:100%}.row-button:active{background:var(--surface)}.sheet-backdrop{z-index:20;background:#00000059;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:var(--bg);width:100%;max-width:640px;max-height:80dvh;padding-bottom:env(safe-area-inset-bottom);border-radius:16px 16px 0 0;flex-direction:column;display:flex;box-shadow:0 -4px 24px #0003}.sheet-head{border-bottom:1px solid var(--border);align-items:flex-start;gap:12px;padding:14px 16px 10px;display:flex}.sheet-title{flex:1;font-size:1.05rem;font-weight:700}.sheet-body{flex-direction:column;gap:10px;padding:12px 16px 16px;display:flex;overflow-y:auto}.chart-page{top:var(--header-h);left:0;right:0;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom));flex-direction:column;display:flex;position:fixed}.chart-bar{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:8px 16px;display:flex}.chart-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:1.1rem;overflow:hidden}.chart-banner{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:8px 16px;font-size:.875rem;display:flex}.chart-banner>span{flex:1}.chart-canvas{flex:1;min-height:0;position:relative}.chart-empty{max-width:640px;height:100%;margin:0 auto;padding:16px;overflow-y:auto}.chart-canvas .react-flow{--xy-background-color:var(--bg);--xy-edge-label-background-color:var(--bg);--xy-edge-label-color:var(--text);--xy-edge-stroke:var(--muted)}.box{border:1.5px solid var(--border);background:var(--bg);width:100%;height:100%;color:var(--text);cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;padding:4px 10px;transition:opacity .15s;display:flex}.box-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.85rem;font-weight:600;line-height:1.2;display:-webkit-box;overflow:hidden}.box-sub{color:var(--muted);font-size:.7rem}.box-start{border-color:var(--accent);border-width:2px}.box-start .box-sub{color:var(--accent);font-weight:600}.box-finish{border-color:var(--ok);background:color-mix(in srgb, var(--ok) 10%, var(--bg))}.box-finish .box-sub{color:var(--ok);font-weight:600}.box-jump{background:var(--surface);border-style:dashed}.box-jump .box-title{color:var(--muted)}.box-pickable{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent)}.box-dimmed{opacity:.35}.box .react-flow__handle{opacity:0;pointer-events:none}.line-counter .react-flow__edge-path{stroke:var(--bad);stroke-dasharray:6 4}.box-reaction{border-color:color-mix(in srgb, var(--them) 45%, var(--border));background:color-mix(in srgb, var(--them) 8%, var(--bg));border-radius:999px;padding:4px 14px}.box-reaction .box-title{color:var(--them);font-style:italic;font-weight:500}.box-counter{border-color:color-mix(in srgb, var(--bad) 50%, var(--border));background:color-mix(in srgb, var(--bad) 8%, var(--bg))}.box-counter .box-title{color:var(--bad)}.box-selected{box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent)}.flow{position:absolute;inset:0}.chart-tools{border-bottom:1px solid var(--border);padding:8px 16px}.chart-canvas.scroll{overflow-y:auto}.outline-list{margin:0;padding:0;list-style:none}.outline-loose{padding:16px 16px 4px}.ol-main{text-align:left;border:none;border-radius:8px;flex:1;align-items:center;gap:8px;min-width:0;padding:8px 4px;display:flex}.ol-mark{width:1em;color:var(--muted);flex:none}.ol-text{overflow-wrap:anywhere;min-width:0}.ol-technique .ol-text{font-weight:600}.ol-reaction .ol-text,.ol-reaction .ol-mark{color:var(--them);font-style:italic}.ol-counter .ol-text,.ol-counter .ol-mark{color:var(--bad)}.ol-jump .ol-text,.ol-seen .ol-text{color:var(--muted)}.ol-type{color:var(--muted);flex:none;font-size:.75rem}.ol-more{width:40px;height:40px;color:var(--muted);border:none;flex:none;padding:0;font-size:1.2rem}.badge-start{background:color-mix(in srgb, var(--accent) 15%, transparent);color:var(--accent)}.badge-finish{background:color-mix(in srgb, var(--ok) 15%, transparent);color:var(--ok)}.them{color:var(--them);font-style:italic}.chip-wrap{flex-wrap:wrap;gap:8px;display:flex}.button-row>input{flex:1;min-width:0}.button-row>.button{flex:1}.button-row>.button-fit{flex:none;width:auto}.sheet-sticky{z-index:1;position:sticky;top:-12px}.tick{border:2px solid var(--border);border-radius:50%;flex:none;place-items:center;width:26px;height:26px;font-weight:700;display:grid}.tick-on{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.check{align-items:center;gap:10px;font-size:.9rem;display:flex}.check input{width:20px;height:20px}.undo-bar{left:12px;right:12px;bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 12px);z-index:15;background:var(--text);max-width:480px;color:var(--bg);border-radius:12px;align-items:center;gap:12px;margin:0 auto;padding:10px 16px;display:flex;position:fixed;box-shadow:0 4px 16px #00000040}.undo-bar>span{flex:1}.undo-bar .link-button{color:var(--bg);font-weight:700;text-decoration:underline}.tag{letter-spacing:.04em;vertical-align:.1em;border-radius:5px;flex:none;margin-right:6px;padding:1px 6px;font-size:.7rem;font-style:normal;font-weight:800;display:inline-block}.tag-if{background:color-mix(in srgb, var(--them) 16%, transparent);color:var(--them)}.ol-counter .tag-if,.box-counter .tag-if{background:color-mix(in srgb, var(--bad) 16%, transparent);color:var(--bad)}.tag-then{background:color-mix(in srgb, var(--accent) 14%, transparent);color:var(--accent)}.ol-row .tag{margin-right:0}.button-if{border-color:var(--them);color:var(--them)}.build{flex-direction:column;gap:18px;max-width:640px;margin:0 auto;padding:12px 16px 120px;display:flex}.trail{flex-wrap:wrap;align-items:center;gap:2px 4px;font-size:.85rem;display:flex}.trail-step{align-items:center;gap:4px;display:inline-flex}.trail-sep{color:var(--muted)}.build-head{flex-direction:column;gap:4px;display:flex}.build-head h1{overflow-wrap:anywhere;font-size:1.75rem}.build-head-row{justify-content:space-between;align-items:center;gap:8px;min-height:32px;display:flex}.kicker{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-size:.75rem;font-weight:700}.kicker-finish{color:var(--ok)}.build-head.cond{border:1px solid color-mix(in srgb, var(--them) 25%, var(--border));background:color-mix(in srgb, var(--them) 6%, var(--bg));border-radius:14px;padding:4px 14px 14px}.build-head.cond.counter{border-color:color-mix(in srgb, var(--bad) 30%, var(--border));background:color-mix(in srgb, var(--bad) 6%, var(--bg))}.cond-line{color:var(--them);align-items:baseline;gap:8px;display:flex}.cond-line .tag{margin-right:0}.cond-last h1{color:var(--them);font-size:1.5rem}.counter .cond-line,.counter .cond-last h1{color:var(--bad)}.cue{text-align:left;white-space:pre-wrap;background:var(--surface);width:100%;color:var(--text);border:none;border-radius:12px;padding:12px 14px;font-size:.95rem;line-height:1.45}.cue:disabled{opacity:1}.cue-edit{flex-direction:column;gap:8px;display:flex}.build-section{flex-direction:column;gap:10px;display:flex}.build-ifs-and{border-bottom:1px solid var(--border);padding-bottom:16px}.build-label{align-items:center;gap:8px;margin:0;font-size:1rem;display:flex}.build-label .tag{margin-right:0}.build-label-text.then{color:var(--accent)}.build-label-note{color:var(--muted);font-size:.85rem;font-weight:400}.if-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.if-card{border:1px solid color-mix(in srgb, var(--them) 25%, var(--border));background:color-mix(in srgb, var(--them) 6%, var(--bg));text-align:left;border-radius:14px;align-items:center;gap:12px;width:100%;padding:14px;display:flex}.if-card-compact{padding:12px}.if-card-empty{background:0 0;border-style:dashed}.if-card-counter{border-color:color-mix(in srgb, var(--bad) 30%, var(--border));background:color-mix(in srgb, var(--bad) 6%, var(--bg))}.if-card-main{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.if-card-title{color:var(--them);overflow-wrap:anywhere;font-size:1.05rem;font-weight:600}.if-card-compact .if-card-title{font-size:.95rem}.if-card-counter .if-card-title{color:var(--bad)}.if-card-sub{color:var(--muted);font-size:.8rem}.then-row{align-items:center;display:flex}.then-row>.row-button{flex:1;min-width:0}.finish{color:var(--ok);font-weight:600}.row-cue{color:var(--muted)}.then-row .row-sub{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.add-field{border:1px solid var(--border);background:var(--surface);border-radius:14px;align-items:center;gap:10px;padding:2px 4px 2px 14px;display:flex}.add-field:focus-within{border-color:var(--accent);background:var(--bg)}.add-field-them:focus-within{border-color:var(--them)}.add-field input{background:0 0;border:none;outline:none;flex:1;min-width:0;padding:10px 0;font-size:16px}.add-plus{color:var(--accent);flex:none;font-size:1.3rem;font-weight:700}.add-field-them .add-plus{color:var(--them)}.add-go{background:var(--accent);color:var(--accent-text);border:none;border-radius:10px;flex:none;padding:8px 12px;font-weight:600}.add-field-them .add-go{background:var(--them);color:var(--bg)}.add-link-them,.add-link-quiet{border:none;align-self:flex-start;padding:4px 0;font-size:.9rem;font-weight:600}.add-link-them{color:var(--them)}.add-link-quiet{color:var(--muted)}.chip-them{border-color:color-mix(in srgb, var(--them) 35%, var(--border));color:var(--them)}.chip-then{border-color:color-mix(in srgb, var(--accent) 35%, var(--border));color:var(--accent)}.add-create{background:var(--surface);align-items:flex-start}.tree{max-width:640px;margin:0 auto;padding:8px 0 120px}.tree-row{touch-action:pan-y;position:relative;overflow:hidden}.tree-row-inner{z-index:1;background:var(--bg);align-items:center;min-height:44px;padding-right:4px;transition:transform .15s;display:flex;position:relative}.tree-delete{background:var(--bad);color:#fff;border:none;border-radius:0;width:96px;font-weight:700;position:absolute;top:0;bottom:0;right:0}.tree-fold{width:28px;height:36px;color:var(--muted);border:none;flex:none;padding:0}.tree-fold:disabled{opacity:1}.tree-handle{width:40px;height:40px;color:var(--muted);touch-action:none;cursor:grab;border:none;flex:none;padding:0;font-size:1.2rem}.tree-dragging{z-index:2;box-shadow:0 6px 18px #0000002e}.tree-dragging .tree-row-inner{transition:none}.tree-drop-above{box-shadow:inset 0 3px 0 var(--accent)}.tree-drop-below{box-shadow:inset 0 -3px 0 var(--accent)}.needs{color:var(--them);flex:none;font-size:.75rem;font-weight:600}.tree-hint{padding:16px}.sys-notes{border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:.95rem}.sys-notes summary{cursor:pointer;font-weight:600}.sys-notes p{margin-top:8px}.chip-wrap .chip{white-space:normal;text-align:left;max-width:100%}