:root{--ground: #f4f6f4;--surface: #ffffff;--surface-sunk: #eaeeeb;--ink: #131b18;--ink-soft: #2c3a35;--muted: #566661;--rule: #d8e0db;--rule-strong: #bdc9c3;--accent: #17614f;--accent-ink: #0f4638;--accent-soft: #dcebe4;--on-accent: #ffffff;--amber: #7a5209;--amber-soft: #f7edd6;--shadow: 0 1px 2px rgba(19, 27, 24, .05);--scrim: rgba(19, 27, 24, .72);--radius: 5px;--f-display: "IBM Plex Serif", Georgia, "Times New Roman", serif;--f-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--f-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--fs-body: 16.5px;--fs-table: 16px;--fs-label: 12px;--ls-label: .12em;--space-section: 20px;--space-page: 26px;--foot-left: var(--accent);--foot-left-soft: var(--accent-soft);--foot-right: var(--ink);--foot-right-soft: var(--surface-sunk)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%;background:var(--ground);color:var(--ink);font-family:var(--f-body);font-size:var(--fs-body);line-height:1.72;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input{font-family:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}h1,h2,h3,p{margin:0}.eyebrow,.kicker{font-family:var(--f-mono);font-weight:600;text-transform:uppercase}.eyebrow{font-size:var(--fs-label);letter-spacing:.14em;color:var(--muted)}.kicker{font-size:12.5px;letter-spacing:var(--ls-label);color:var(--accent)}.app{display:grid;grid-template-columns:minmax(0,1fr) 348px;grid-template-rows:auto 1fr;gap:32px var(--space-page);max-width:1360px;margin:0 auto;padding:40px var(--space-page) 64px;min-height:100vh}.masthead{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px 48px;padding-bottom:22px;border-bottom:1px solid var(--rule-strong)}.masthead-id{display:flex;flex-direction:column;gap:10px;min-width:0}.masthead h1{font-family:var(--f-display);font-weight:600;font-size:clamp(30px,3.4vw,40px);line-height:1.12;letter-spacing:-.015em;text-wrap:balance;max-width:20ch;color:var(--ink)}.standfirst{font-size:18px;line-height:1.68;color:var(--ink-soft);max-width:64ch}.vitals{display:flex;flex-wrap:wrap;gap:36px;padding-bottom:4px}.vital{display:flex;flex-direction:column;gap:2px}.vital-figure{font-family:var(--f-mono);font-size:20px;font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--accent-ink)}.vital-label{font-size:13.5px;line-height:1.4;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}.chip{display:inline-flex;align-items:center;height:22px;padding:0 8px;border:1px solid var(--rule);border-radius:3px;background:var(--surface-sunk);font-family:var(--f-mono);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--accent-ink)}.board-column{grid-column:1 / 2;grid-row:2 / 3;display:flex;flex-direction:column;gap:var(--space-section);min-height:0}.title-card{display:flex;align-items:center;gap:16px;padding:14px 18px}.title-block-label{font-family:var(--f-mono);font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-ink);white-space:nowrap}.title-input{flex:1;min-width:0;background:var(--surface-sunk);border:1px solid var(--rule);border-radius:var(--radius);padding:8px 14px;font-size:16px;font-weight:600;color:var(--ink);outline:none;transition:border-color .15s ease,background .15s ease}.title-input::placeholder{color:var(--muted);font-weight:400}.title-input:focus{border-color:var(--accent);background:var(--surface)}.board-wrap{position:relative;flex:1;min-height:820px;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);overflow:hidden}.board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.board-head-hint{display:inline-flex;align-items:center;gap:8px;padding:3px 10px;border:1px solid var(--rule);border-radius:3px;background:var(--surface-sunk);font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft)}.board-head-hint .pill-dot{width:8px;height:8px;border-radius:50%}.board-head-hint.left .pill-dot{background:var(--foot-left)}.board-head-hint.right .pill-dot{background:var(--foot-right)}.board{position:relative;flex:1;min-height:0;border-radius:var(--radius);background:radial-gradient(circle,var(--rule-strong) .8px,transparent .8px) 11px 11px / 22px 22px,var(--surface-sunk);border:1px dashed var(--rule-strong);cursor:crosshair;overflow:hidden}.ladder{position:absolute;left:50%;top:36px;bottom:36px;transform:translate(-50%);width:130px;display:flex;flex-direction:column;pointer-events:none}.ladder:before,.ladder:after{content:"";position:absolute;top:0;bottom:0;width:5px;background:var(--ink);border-radius:1px;z-index:1}.ladder:before{left:-2.5px}.ladder:after{right:-2.5px}.cell{position:relative;flex:1}.rung{flex:0 0 11px;background:var(--accent-soft);border-top:1px solid var(--accent);border-bottom:1px solid var(--accent)}.cell-label{position:absolute;top:50%;right:calc(100% + 18px);transform:translateY(-50%);font-family:var(--f-mono);font-size:var(--fs-label);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap;pointer-events:none}.cell-label:after{content:"";position:absolute;top:50%;left:calc(100% + 6px);width:7px;height:1px;background:var(--rule-strong);transform:translateY(-50%)}.dot{position:absolute;width:36px;height:36px;border-radius:50%;transform:translate(-50%,-50%);display:grid;place-items:center;font-family:var(--f-mono);font-weight:600;font-size:13px;font-variant-numeric:tabular-nums;color:var(--on-accent);-webkit-user-select:none;user-select:none;pointer-events:none;border:2px solid var(--surface);box-shadow:var(--shadow);animation:dot-in .24s cubic-bezier(.34,1.56,.64,1)}.dot:after{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:50%;border:1px dashed currentColor;opacity:.32}.dot.left{background:var(--foot-left);color:var(--foot-left)}.dot.right{background:var(--foot-right);color:var(--foot-right)}.dot>span{color:var(--on-accent)}.board[data-dot-size=s] .dot{width:29px;height:29px;font-size:11px}.board[data-dot-size=s] .dot:after{top:-5px;right:-5px;bottom:-5px;left:-5px}@keyframes dot-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.2)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.sidebar{grid-column:2 / 3;grid-row:2 / 3;display:flex;flex-direction:column;gap:var(--space-section);align-self:start;position:sticky;top:32px;max-height:calc(100vh - 64px);min-height:0}.sidebar .card.flex-grow{flex:1;display:flex;flex-direction:column;min-height:0}.foot-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px}.foot-btn{position:relative;padding:14px 14px 15px;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:4px;transition:border-color .15s ease,background .15s ease}.foot-btn:hover{border-color:var(--rule-strong)}.foot-pip{position:absolute;top:14px;right:14px;width:8px;height:8px;border-radius:50%;background:var(--rule-strong);transition:background .15s ease}.foot-glyph{font-family:var(--f-mono);font-size:26px;font-weight:600;line-height:1.1;color:var(--ink);transition:color .15s ease}.foot-name{font-family:var(--f-mono);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);transition:color .15s ease}.foot-btn.active.left{background:var(--foot-left-soft);border-color:var(--foot-left)}.foot-btn.active.left .foot-glyph,.foot-btn.active.left .foot-name{color:var(--accent-ink)}.foot-btn.active.left .foot-pip{background:var(--foot-left)}.foot-btn.active.right{background:var(--foot-right-soft);border-color:var(--foot-right)}.foot-btn.active.right .foot-glyph,.foot-btn.active.right .foot-name{color:var(--ink)}.foot-btn.active.right .foot-pip{background:var(--foot-right)}.size-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.size-toggle-label{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.seg{display:inline-flex;border:1px solid var(--rule);background:var(--surface-sunk);border-radius:var(--radius);overflow:hidden}.seg-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;border-left:1px solid var(--rule);padding:0 12px;height:28px;font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);cursor:pointer;transition:background .15s ease,color .15s ease}.seg-btn:first-child{border-left:none}.seg-btn:hover{color:var(--ink)}.seg-btn.active{background:var(--accent);color:var(--on-accent)}.hint{margin-top:16px;font-size:15.5px;line-height:1.6;color:var(--ink-soft);border-left:3px solid var(--accent);padding-left:14px;max-width:60ch}.steps-list{display:flex;flex-direction:column;overflow-y:auto;padding-right:4px;margin-right:-4px;min-height:0;flex:1}.steps-list::-webkit-scrollbar{width:6px}.steps-list::-webkit-scrollbar-thumb{background:var(--rule-strong);border-radius:3px}.step-row{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:12px;padding:9px 2px;border-bottom:1px solid var(--rule);font-size:var(--fs-table);color:var(--ink-soft);transition:background .12s ease}.step-row:last-child{border-bottom:none}.step-row:hover{background:var(--surface-sunk)}.step-index{font-family:var(--f-mono);font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--accent);min-width:22px}.step-foot{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink)}.step-swatch{width:10px;height:10px;border-radius:50%;flex-shrink:0}.step-swatch.left{background:var(--foot-left)}.step-swatch.right{background:var(--foot-right)}.step-cell{font-family:var(--f-mono);font-size:12.5px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;font-variant-numeric:tabular-nums;color:var(--muted)}.delete-btn{background:transparent;border:none;width:24px;height:24px;border-radius:3px;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;display:grid;place-items:center;transition:color .15s ease,background .15s ease}.delete-btn:hover{background:var(--amber-soft);color:var(--amber)}.empty-state{padding:22px 0;text-align:center;font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px dashed var(--rule-strong);border-radius:var(--radius)}.actions{display:flex;flex-direction:column;gap:10px}.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:42px;padding:0 18px;border-radius:var(--radius);font-family:var(--f-mono);font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.btn-primary{background:var(--accent);border:1px solid var(--accent);color:var(--on-accent)}.btn-primary:hover:not(:disabled){background:var(--accent-ink);border-color:var(--accent-ink)}.btn-primary svg{width:14px;height:14px}.btn-secondary{background:var(--surface);border:1px solid var(--rule);color:var(--ink-soft)}.btn-secondary:hover:not(:disabled){background:var(--amber-soft);border-color:var(--amber);color:var(--amber)}.btn-primary:disabled,.btn-secondary:disabled{opacity:.45;cursor:not-allowed}.export-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:var(--scrim);display:grid;place-items:center;padding:24px;overflow:auto}.export-view{padding:34px 32px 38px;background:var(--surface);color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow);max-width:calc(100vw - 48px)}.export-view .dot{animation:none}.export-title{font-family:var(--f-display);font-size:25px;font-weight:600;line-height:1.2;letter-spacing:-.012em;color:var(--ink);margin-bottom:6px;word-break:break-word}.export-meta{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding-bottom:16px;margin-bottom:20px;border-bottom:1px solid var(--rule-strong)}.export-board-wrap{position:relative;background:var(--surface);overflow:hidden;max-width:100%}.export-board-wrap .board{position:absolute;top:0;right:0;bottom:0;left:0;cursor:default;border:none;border-radius:0;background:var(--surface)}.export-board-wrap .dot{border-color:var(--surface)}@media (max-width: 980px){.app{grid-template-columns:1fr;gap:24px 0;padding:32px 18px 48px}.sidebar{grid-column:1 / -1;grid-row:auto;position:static;max-height:none}.board-wrap{min-height:520px}.vitals{gap:28px}}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}