:root{
  --bg:#f6f8fb; --panel:#ffffff; --ink:#16202e; --muted:#5b6b7f; --line:#e2e8f1;
  --brand:#1f6feb; --brand-ink:#0b4bb8;
  --t1:#137a4b; --t1bg:#e6f6ee; --t2:#8a6d00; --t2bg:#fbf3d7;
  --t3:#7a4fd0; --t3bg:#efeafc; --t4:#4a6572; --t4bg:#eef2f4;
  --abstain:#5b6b7f; --abstainbg:#eef1f5; --refuse:#a23b3b; --refusebg:#fbeaea;
  --warn:#8a3b00; --warnbg:#fdeede; --confirm:#0b6a7d; --confirmbg:#e3f4f7;
  --shadow:0 1px 3px rgba(16,32,46,.08),0 8px 24px rgba(16,32,46,.06);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h2{font-size:1.05rem;margin:0 0 .5rem;letter-spacing:.01em}
.hint{color:var(--muted);font-size:.9rem;margin:.2rem 0 1rem}
.muted{color:var(--muted);font-weight:400;font-size:.82em}
.hidden{display:none !important}

/* eval banner */
.eval-banner{background:var(--warnbg);color:var(--warn);font-weight:600;font-size:.86rem;
  text-align:center;padding:8px 16px;border-bottom:1px solid #f0d6b8;position:sticky;top:0;z-index:50}

/* header */
.site-header{background:var(--panel);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{font-size:28px}
.brand-name{font-weight:800;letter-spacing:.06em;font-size:1.15rem}
.brand-sub{color:var(--muted);font-size:.8rem}
.tier-key{display:flex;gap:6px;flex-wrap:wrap}
.tier-key .k{font-size:.68rem;font-weight:700;padding:3px 7px;border-radius:20px;border:1px solid transparent}

/* layout */
.layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-top:22px;padding-bottom:32px}
@media (max-width:840px){.layout{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}

/* form */
.field{margin:0 0 12px}
label{display:block;font-weight:600;font-size:.82rem;margin-bottom:4px;color:#2c3a4b}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fcfdff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd4fb;border-color:var(--brand)}
fieldset{border:1px solid var(--line);border-radius:11px;padding:12px 12px 2px;margin:0 0 14px}
legend{font-weight:700;font-size:.78rem;color:#38485c;padding:0 6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.req{color:var(--refuse)}
.covered-note{font-size:.75rem;color:var(--muted);margin-top:4px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{font-size:.8rem;padding:5px 10px;border:1px solid var(--line);border-radius:20px;background:#fbfcfe;cursor:pointer;user-select:none}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.actions{display:flex;gap:10px;margin-top:6px}

/* buttons */
.btn{font:inherit;font-weight:700;padding:10px 18px;border-radius:9px;border:1px solid transparent;cursor:pointer}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-ink)}
.btn.primary:disabled{background:#a9c4f0;cursor:not-allowed}
.btn.ghost{background:#fff;border-color:var(--line);color:#2c3a4b}
.btn.small{padding:5px 10px;font-size:.78rem}

/* free-text entry extras */
.examples{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-top:12px}
.examples .muted{margin-right:2px}
.chip.ex{cursor:pointer;background:#f2f6fc;border-color:#d9e6f8;color:var(--brand-ink);font-weight:600}
.chip.ex:hover{background:#e6eefb}

/* voice input (Step 3) — mic integrated with the text box. Audio is transcribe-then-discard; the
   transcript lands in this same box, editable, before it is evaluated. */
.ta-wrap{position:relative}
.ta-wrap textarea{padding-bottom:44px}
.mic-btn{position:absolute;right:8px;bottom:8px;display:inline-flex;align-items:center;gap:6px;
  font:inherit;font-weight:700;font-size:.8rem;padding:6px 12px;border-radius:20px;cursor:pointer;
  background:var(--panel);border:1px solid var(--line);color:var(--brand-ink);box-shadow:0 1px 2px rgba(16,32,46,.08)}
.mic-btn:hover{background:#f2f6fc;border-color:#d9e6f8}
.mic-btn:focus-visible{outline:2px solid #bcd4fb;outline-offset:1px}
.mic-btn .mic-ico{font-size:.95rem;line-height:1}
.mic-btn.recording{background:var(--refuse);border-color:var(--refuse);color:#fff;animation:micpulse 1.2s ease-in-out infinite}
.mic-btn:disabled{opacity:.6;cursor:progress}
@keyframes micpulse{0%,100%{box-shadow:0 0 0 0 rgba(162,59,59,.5)}50%{box-shadow:0 0 0 6px rgba(162,59,59,0)}}
@media (prefers-reduced-motion:reduce){.mic-btn.recording{animation:none}}
.voice-status{margin-top:8px;font-size:.8rem;padding:7px 10px;border-radius:8px;border:1px solid var(--line)}
.voice-status.vs-rec{background:var(--refusebg);border-color:#eecaca;color:var(--refuse);font-weight:600}
.voice-status.vs-busy{background:#f2f6fc;border-color:#d9e6f8;color:var(--brand-ink)}
.voice-status.vs-ok{background:var(--t1bg);border-color:#bfe6d0;color:var(--t1)}
.voice-status.vs-err{background:var(--warnbg);border-color:#f0d6b8;color:var(--warn)}
.voice-status.vs-info{background:#f7f9fb;color:var(--muted)}
.parse-panel{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.parse-head{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.parse-head .tag{font-size:.68rem;font-weight:800;color:var(--brand);text-transform:none;letter-spacing:0}
.parse-panel pre{background:#fbfcfe;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:.75rem;overflow:auto;white-space:pre-wrap;margin:8px 0 6px}

/* ---- tier legend chips (header) ---- */
.tier-key .k.b-T1{background:var(--t1bg);color:var(--t1)} .tier-key .k.b-T2{background:var(--t2bg);color:var(--t2)}
.tier-key .k.b-T3{background:var(--t3bg);color:var(--t3)} .tier-key .k.b-ABSTAIN{background:var(--abstainbg);color:var(--abstain)}

/* =====================================================================================
   TIER-HONEST RESULT CARDS. The visual grammar encodes certainty:
   T1 = solid card, solid accent, big solid number, FULL solid meter  -> reads validated.
   T2 = solid card, amber accent, number + prominent caveats          -> reads sourced-but-caveated.
   T3 = DASHED card, dashed direction box, NO number, HATCHED low meter -> reads provisional/estimate.
   abstain/confirm = calm, deliberate — never styled like an error.
   ===================================================================================== */
.result-empty{color:var(--muted);padding:24px 0}
.tier-card{border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;background:var(--panel)}
.tier-T1{border-left:7px solid var(--t1)}
.tier-T2{border-left:7px solid var(--t2);background:#fffdf6}
.tier-T3{border:2px dashed var(--t3);background:#faf8ff}          /* dashed = deliberately provisional */
.tier-T4{border-left:7px solid var(--t4)}
.tier-abstain{border-left:7px solid var(--abstain);background:#f7f9fb}
.tier-confirm{border-left:7px solid var(--confirm);background:#f2fbfd}
.tier-refuse{border-left:7px solid var(--refuse)}
.tier-error{border-left:7px solid var(--muted)}

/* tier plate — the always-visible header. Cannot be missed; it frames the whole answer. */
.tier-plate{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px;flex-wrap:wrap}
.tier-T1 .tier-plate{background:var(--t1bg)} .tier-T2 .tier-plate{background:var(--t2bg)}
.tier-T3 .tier-plate{background:var(--t3bg)} .tier-T4 .tier-plate{background:var(--t4bg)}
.tier-abstain .tier-plate{background:var(--abstainbg)} .tier-confirm .tier-plate{background:var(--confirmbg)}
.tier-refuse .tier-plate{background:var(--refusebg)} .tier-error .tier-plate{background:var(--abstainbg)}
.tp-left{display:flex;align-items:center;gap:12px;min-width:0}
.tp-glyph{font-size:1.5rem;line-height:1;font-weight:800}
.tp-label{font-weight:800;font-size:.92rem;letter-spacing:.02em}
.tp-sub{font-size:.76rem;color:var(--muted);margin-top:2px}
.tier-T1 .tp-glyph,.tier-T1 .tp-label{color:var(--t1)} .tier-T2 .tp-glyph,.tier-T2 .tp-label{color:var(--t2)}
.tier-T3 .tp-glyph,.tier-T3 .tp-label{color:var(--t3)} .tier-T4 .tp-glyph,.tier-T4 .tp-label{color:var(--t4)}
.tier-abstain .tp-glyph,.tier-abstain .tp-label{color:var(--abstain)}
.tier-confirm .tp-glyph,.tier-confirm .tp-label{color:var(--confirm)}
.tier-refuse .tp-glyph,.tier-refuse .tp-label{color:var(--refuse)}
.tier-error .tp-glyph,.tier-error .tp-label{color:var(--abstain)}

/* certainty meter — fill is a faithful visual of the ATOM's confidence.level. T1 solid-full,
   T3 hatched-low: the same glance that reads the tier reads the certainty. */
.meter{display:flex;align-items:center;gap:8px;flex-shrink:0}
.meter-track{width:132px;height:11px;border-radius:6px;background:#e6ebf2;border:1px solid var(--line);overflow:hidden}
.meter-fill{height:100%}
.tier-T1 .meter-fill{background:var(--t1)} .tier-T2 .meter-fill{background:var(--t2)}
.tier-T4 .meter-fill{background:var(--t4)}
.tier-T3 .meter-fill{background:repeating-linear-gradient(45deg,var(--t3),var(--t3) 3px,transparent 3px,transparent 6px)} /* hatched = estimate */
.meter-cap{font-size:.72rem;color:var(--muted);white-space:nowrap}

.tier-body{padding:15px 16px}
.quantity{font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;margin-bottom:8px}

/* T1/T2 — the number is the hero */
.hero-number{font-size:2.7rem;font-weight:800;line-height:1;letter-spacing:-.02em}
.tier-T1 .hero-number{color:var(--t1)} .tier-T2 .hero-number{color:var(--t2)}
.hero-number .unit{font-size:.95rem;font-weight:600;color:var(--muted);margin-left:8px}
.band{color:var(--muted);font-size:.85rem;margin-top:9px}
.band b{color:var(--ink)}
.applic{background:var(--warnbg);border:1px solid #f0d6b8;color:var(--warn);font-size:.8rem;padding:8px 10px;border-radius:8px;margin-top:10px}
.prov{margin-top:11px;font-size:.82rem;color:#38485c;display:flex;gap:9px;align-items:baseline}
.prov-k{font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);flex-shrink:0}

/* T3 — the DIRECTION is the hero, styled as an estimate: dashed outline, not a filled number */
.t3-direction{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:2px 0 4px;padding:12px 14px;
  border:1.5px dashed var(--t3);border-radius:10px;background:#fff}
.t3-arrow{font-size:1.7rem;font-weight:800;color:var(--t3)}
.t3-word{font-size:1.12rem;font-weight:700;color:#3a2b63}
.t3-nonum{font-size:.72rem;color:var(--muted);font-style:italic;margin-left:auto}
.t3-effect{margin-top:11px;font-size:.9rem;color:#33465c;background:#f6f2fe;border:1px solid #e7ddf9;border-radius:9px;padding:11px 12px}
.t3-tag{display:block;font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--t3);margin-bottom:5px}

/* reasoning chain (T3) — shown by default; the exposed path is part of the honest output */
.mech-chain{margin-top:12px;border:1px solid #e7ddf9;border-radius:10px;background:#faf8ff;padding:11px 12px}
.mech-head{font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;font-weight:800;color:var(--t3);margin-bottom:9px}
.mpath{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.mnode{background:#fff;border:1px solid #d9c9f5;border-radius:8px;padding:4px 10px;font-size:.8rem;font-weight:700;color:#4a2e8f}
.marrow{color:var(--t3);font-weight:800}
.medges{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:9px}
.medge{font-size:.72rem;background:#efeafc;border:1px solid #ddd0f7;border-radius:6px;padding:2px 8px;color:#5a3fb0}
.medge em{font-style:normal;font-weight:800} .medge .esign{font-weight:800}
.sv{font-size:.68rem;font-weight:800;padding:2px 9px;border-radius:20px}
.sv-no{background:#efeafc;color:var(--t3);border:1px dashed var(--t3)}
.sv-yes{background:var(--t1bg);color:var(--t1);border:1px solid var(--t1)}
.mgate{font-size:.74rem;color:var(--muted);margin-top:7px}

.strategy{font-size:.95rem;color:#33465c;font-weight:600}

/* indeterminate — opposing directions, shown honestly (calm amber, never an error) */
.indeterminate{display:flex;gap:11px;align-items:flex-start;background:#fbf3d7;border:1px solid #ecd9a0;border-radius:10px;padding:11px 13px;margin-bottom:12px}
.ind-glyph{font-size:1.4rem;color:var(--t2);line-height:1}
.ind-title{font-weight:800;font-size:.84rem;color:#8a6d00}
.ind-body{font-size:.8rem;color:#6b5600;margin-top:3px;word-break:break-word}

/* confirm gate */
.confirm-note{font-size:.86rem;color:#33465c}
.sec-h{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;font-weight:800;color:var(--confirm);margin:13px 0 7px}
.organ-rows{display:flex;flex-direction:column;gap:7px}
.organ-row{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 11px}
.organ{font-weight:700;font-size:.86rem}
.ostate{font-weight:800;font-size:.78rem;padding:3px 10px;border-radius:20px}
.ost-reduced,.ost-impaired,.ost-failure{background:#fdeede;color:#8a3b00}
.ost-augmented{background:var(--t1bg);color:var(--t1)} .ost-normal{background:#eef2f4;color:var(--t4)}
.conflict-row{display:flex;align-items:center;gap:11px;flex-wrap:wrap;background:#fff7ea;border:1px solid #ecd9a0;border-radius:9px;padding:9px 11px;margin-top:7px}
.conf-arrows{display:flex;align-items:center;gap:9px} .conf-arrows .vs{color:var(--t2);font-weight:800;font-size:1.1rem}
.conf-tag{font-size:.7rem;font-weight:800;color:#8a6d00;text-transform:uppercase;margin-left:auto}
.mapwhy summary{cursor:pointer;font-size:.78rem;color:var(--confirm);font-weight:700;margin-top:11px}
.maplist{font-size:.82rem;color:#38485c;margin-top:7px;display:flex;flex-direction:column;gap:3px}

/* abstention / refusal — deliberate and honest, distinct from an error */
.abstain-lead{font-size:.96rem;font-weight:600;color:#3a4a5e}
.missing{margin-top:11px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px 12px}
.missing-h{display:block;font-size:.66rem;text-transform:uppercase;letter-spacing:.04em;font-weight:800;color:var(--abstain);margin-bottom:4px}
.missing div{font-size:.85rem;color:#33465c}
.abstain-foot{margin-top:13px;font-size:.8rem;color:var(--abstain);font-style:italic;border-top:1px dashed var(--line);padding-top:11px}

/* shared bits */
.kv{font-size:.85rem;color:#38485c;margin-top:6px} .kv b{color:var(--ink)}
.caveat{background:#fbf7ee;border:1px solid #ecdcc0;color:#7a5a1e;font-size:.8rem;padding:7px 9px;border-radius:8px;margin-top:8px}
.warn{background:var(--warnbg);border:1px solid #f0d6b8;color:var(--warn);font-size:.82rem;padding:8px 10px;border-radius:8px;margin-top:8px}
.narration{background:#f2f6fc;border:1px solid #d9e6f8;border-radius:10px;padding:12px;margin-top:6px;font-size:.9rem}
.narration .tag{font-size:.66rem;font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:.03em}
.substrate-foot{margin-top:14px;font-size:.72rem;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px;word-break:break-all}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--panel)}
.site-footer .wrap{display:flex;justify-content:space-between;gap:12px;padding:14px 20px;font-size:.78rem;color:var(--muted);flex-wrap:wrap}
.foot-warn{color:var(--warn);font-weight:600}

/* modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(16,32,46,.55);display:flex;align-items:center;justify-content:center;z-index:100;padding:18px}
.modal{background:#fff;border-radius:14px;max-width:560px;width:100%;padding:24px;box-shadow:var(--shadow);max-height:90vh;overflow:auto}
.modal h2{font-size:1.15rem}
.terms-body{font-size:.88rem;color:#33465c;white-space:pre-wrap;margin:10px 0 14px;line-height:1.55}
.terms-check{display:flex;gap:9px;align-items:flex-start;font-size:.86rem;font-weight:600;margin-bottom:16px;color:#2c3a4b}
.terms-check input{width:auto;margin-top:3px}
.err{color:var(--refuse);font-weight:600}