:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--accent-ink: #0f172a;--danger: #f87171;--radius: 12px;--maxw: 640px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column}.app__bar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;padding-top:max(.75rem,env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--surface-2);position:sticky;top:0}.app__brand{font-weight:600}.app__main{width:100%;max-width:var(--maxw);margin:0 auto;padding:1rem;flex:1}.stack{display:flex;flex-direction:column;gap:1rem}.card{background:var(--surface);border:1px solid var(--surface-2);border-radius:var(--radius);padding:1rem}.card__title{margin:0 0 .75rem;font-size:1rem}.muted{color:var(--muted);font-size:.9rem}.back,a{color:var(--accent);text-decoration:none}.input{width:100%;padding:.7rem .8rem;background:var(--bg);border:1px solid var(--surface-2);border-radius:10px;color:var(--text);font-size:1rem}.input:focus{outline:2px solid var(--accent);border-color:transparent}.btn{padding:.7rem 1rem;border-radius:10px;border:1px solid transparent;font-size:1rem;font-weight:600;cursor:pointer}.btn--primary{background:var(--accent);color:var(--accent-ink)}.btn--primary:disabled{opacity:.5;cursor:not-allowed}.btn--ghost{background:transparent;color:var(--text);border-color:var(--surface-2)}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.list__row{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;border-top:1px solid var(--surface-2)}.list__row:first-child{border-top:none}.list__primary{font-weight:500}.steps{margin:0;padding-left:1.1rem;color:var(--muted);display:flex;flex-direction:column;gap:.4rem}.pill{font-size:.75rem;padding:.2rem .6rem;border-radius:999px;background:var(--surface-2);color:var(--text);text-transform:capitalize}.pill--active{background:#14532d;color:#bbf7d0}.pill--archived{background:var(--surface-2);color:var(--muted)}.pill--failed{background:#4c1d1d;color:var(--danger);display:inline-block}.kv{display:flex;justify-content:space-between;padding-bottom:.75rem}.stepper{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.stepper__step{position:relative;padding-left:1.6rem;color:var(--muted)}.stepper__step:before{content:"";position:absolute;left:0;top:.2rem;width:.9rem;height:.9rem;border-radius:999px;border:2px solid var(--surface-2)}.stepper__step.is-done{color:var(--text)}.stepper__step.is-done:before{background:var(--accent);border-color:var(--accent)}.stepper__step.is-current{color:var(--text);font-weight:600}.stepper__step.is-current:before{border-color:var(--accent)}.gate{min-height:100%;display:grid;place-items:center;padding:1rem}.gate__card{width:100%;max-width:420px;display:flex;flex-direction:column;gap:.85rem}.gate__title{margin:0;font-size:1.3rem}.gate__hint{margin:0;color:var(--muted);font-size:.9rem}.gate__error{margin:0;color:var(--danger);font-size:.9rem}code{background:var(--bg);padding:.1rem .35rem;border-radius:6px;font-size:.85em}.checklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.check{padding:.5rem .6rem;border-radius:8px;background:var(--surface-2)}.check--disagree{outline:1px solid var(--danger)}.check__main{display:flex;align-items:center;gap:.6rem;cursor:pointer}.check__main input[type=checkbox]{width:1.15rem;height:1.15rem;flex:none}.check__label{flex:1}.check__value{margin:.25rem 0 0 1.75rem;font-size:.875rem;color:var(--accent)}.check__evidence-toggle{margin:.25rem 0 0 1.75rem;background:none;border:none;padding:0;color:var(--muted);font-size:.8rem;text-decoration:underline;cursor:pointer}.check__evidence{margin:.35rem 0 0 1.75rem;padding-left:.6rem;border-left:2px solid var(--accent);font-size:.85rem;color:var(--muted);font-style:italic}.badge{display:inline-block;margin-left:.5rem;padding:.1rem .45rem;border-radius:999px;font-size:.7rem;font-weight:600;vertical-align:middle}.badge--ai{background:#14532d;color:#86efac}.badge--gap{background:#7c2d12;color:#fdba74}.badge--tier{background:var(--surface);color:var(--accent);border:1px solid var(--accent)}.badge--draft{background:#78350f;color:#fcd34d}.badge--locked{background:#14532d;color:#86efac}.versions{list-style:none;margin:0 0 .75rem;padding:0;display:flex;flex-direction:column;gap:.4rem}.versions__link{display:flex;justify-content:space-between;padding:.5rem .6rem;border-radius:8px;background:var(--surface-2);color:var(--text);text-decoration:none}.buildrow{display:flex;align-items:flex-end;gap:.75rem;flex-wrap:wrap}.buildrow__tier{display:flex;flex-direction:column;gap:.25rem;font-size:.8rem;color:var(--muted)}.buildrow__tier select{background:var(--surface-2);color:var(--text);border:1px solid var(--surface-2);border-radius:8px;padding:.55rem .6rem}.lines{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.line{padding:.55rem .6rem;border-radius:8px;background:var(--surface-2)}.line--unpriced{outline:1px dashed var(--danger)}.line--editing{display:flex;flex-direction:column;gap:.5rem}.line__top{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem}.line__code{font-size:.75rem;color:var(--muted);font-family:ui-monospace,monospace}.line__amount{font-weight:600}.line__desc{margin-top:.15rem}.line__meta{margin-top:.25rem;display:flex;justify-content:space-between;align-items:center;font-size:.8rem}.line__meta-actions{display:flex;gap:.75rem}.line__meta-actions .check__evidence-toggle{margin:0}.line__editrow{display:flex;gap:.75rem}.line__editrow label{flex:1;display:flex;flex-direction:column;gap:.25rem;font-size:.8rem;color:var(--muted)}.line__actions{display:flex;gap:.5rem;flex-wrap:wrap}.lines__total{display:flex;justify-content:space-between;margin-top:.75rem;padding-top:.6rem;border-top:1px solid var(--surface);font-weight:700}.estimate__total{font-size:1.15rem;font-weight:700}.wording{white-space:pre-wrap;margin:0}.btn--danger{background:none;border:1px solid var(--danger);color:var(--danger);border-radius:8px;padding:.55rem .9rem;cursor:pointer}