:root{--bg:#f5f7f6;--card:#fff;--ink:#17211f;--muted:#66736f;--line:#dde5e2;--brand:#11675f;--brand2:#0c4e48;--accent:#f2c84b;--soft:#e9f5f2;--danger:#9d3b3b;--shadow:0 12px 40px rgba(20,55,48,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.45}.topbar{height:74px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{display:flex;gap:12px;align-items:center}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--brand);color:#fff;font-weight:900}.brand strong{display:block;font-size:18px}.brand small{display:block;color:var(--muted)}.beta{font-size:12px;font-weight:800;letter-spacing:.08em;padding:8px 12px;border-radius:999px;background:var(--soft);color:var(--brand)}main{max-width:1180px;margin:auto;padding:32px 24px 60px}.hero{display:grid;grid-template-columns:1.5fr .8fr;gap:24px;align-items:stretch;margin-bottom:22px}.hero-copy,.counter-card,.search-card,.invoice-card,.results,.context-card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.hero-copy{padding:42px}.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.02;letter-spacing:-.04em;margin:10px 0 18px;max-width:850px}.hero p{font-size:18px;color:var(--muted);max-width:720px}.kicker{font-size:11px;font-weight:900;letter-spacing:.13em;color:var(--brand)}.counter-card{padding:30px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,var(--brand2),var(--brand));color:#fff}.counter-card small{opacity:.82;font-weight:700}.counter-card strong{font-size:clamp(28px,3.5vw,46px);line-height:1.05;margin:10px 0;letter-spacing:-.03em}.counter-card span{font-size:12px;opacity:.78}.search-card{padding:28px;margin-bottom:18px}.main-field{display:block;font-size:14px;font-weight:800}.main-field input{width:100%;font-size:22px;padding:18px 20px;border:2px solid #cbd9d5;border-radius:16px;margin-top:8px;outline:none}.main-field input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(17,103,95,.1)}.quick-examples{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 22px}.quick-examples button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;cursor:pointer;color:var(--brand2)}.optional-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.optional-grid label{font-size:12px;font-weight:700;color:var(--muted)}.optional-grid input{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:12px;padding:12px 13px;font-size:14px;color:var(--ink);background:#fbfcfc}.advanced{margin-top:14px;color:var(--muted)}.advanced summary{cursor:pointer;font-size:13px;font-weight:800;margin-bottom:12px}.form-actions{margin-top:20px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.primary,.upload-btn{border:0;border-radius:14px;padding:13px 18px;background:var(--brand);color:#fff;font-weight:900;cursor:pointer}.primary:hover,.upload-btn:hover{background:var(--brand2)}.form-actions span{font-size:12px;color:var(--muted)}.invoice-card{padding:22px 26px;margin-bottom:22px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}.invoice-card h2{margin:4px 0 6px}.invoice-card p{margin:0;color:var(--muted);max-width:760px}.upload-btn{display:inline-block}.upload-btn input{display:none}.subtle{grid-column:1/-1;font-size:12px;color:var(--muted)}.results{padding:28px;margin-bottom:24px}.hidden{display:none}.result-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.result-head h2{font-size:32px;margin:4px 0}.result-head p{margin:0;color:var(--muted)}.confidence{min-width:190px;text-align:right}.confidence small{display:block;color:var(--muted)}.confidence strong{font-size:26px;color:var(--brand)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.metrics article{padding:17px;border-radius:16px;background:#f8faf9;border:1px solid var(--line)}.metrics article.accent{background:var(--soft)}.metrics small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;font-weight:800}.metrics strong{display:block;margin-top:5px;font-size:20px}.notice{padding:14px 16px;border-left:4px solid var(--accent);background:#fff9df;border-radius:9px;color:#5c5130}.section-title h3{font-size:25px;margin:5px 0}.section-title p{color:var(--muted);margin:0}.chain-panel,.evidence-panel{padding:24px 0}.chain-flow{display:flex;gap:10px;overflow:auto;padding:18px 2px 8px}.chain-node{min-width:150px;max-width:190px;padding:16px;border:1px solid var(--line);border-radius:15px;background:#fff;position:relative}.chain-node:not(:last-child):after{content:"→";position:absolute;right:-12px;top:50%;transform:translateY(-50%);color:var(--brand);font-weight:900}.chain-node small{display:block;color:var(--muted);font-size:10px;margin-top:8px}.chain-node strong{font-size:14px}.prov{display:inline-block;margin-top:10px;padding:4px 7px;border-radius:999px;font-size:9px;font-weight:900;letter-spacing:.05em;background:#eef2f1;color:#43514d}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.evidence-item{padding:15px;border-radius:14px;border:1px solid var(--line);background:#fff}.evidence-item small{display:block;color:var(--muted);font-size:10px}.evidence-item strong{display:block;margin-top:5px}.improve-box{margin-top:14px;padding:16px;border-radius:14px;background:#f8faf9;color:var(--muted)}.improve-box ul{margin:8px 0 0;padding-left:18px}.context-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}.context-card{padding:24px}.context-card h3{margin:5px 0 12px}.context-card>strong{font-size:34px;color:var(--brand)}.context-card p{color:var(--muted)}footer{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}footer strong{color:var(--ink)}.loading{opacity:.6;pointer-events:none}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-copy{padding:30px}.optional-grid,.metrics,.evidence-grid{grid-template-columns:repeat(2,1fr)}.invoice-card{grid-template-columns:1fr}.context-grid{grid-template-columns:1fr}}
@media(max-width:600px){main{padding:20px 14px 45px}.topbar{padding:0 14px}.brand small{display:none}.beta{font-size:10px}.hero-copy{padding:24px}.hero h1{font-size:39px}.search-card,.results{padding:20px}.optional-grid,.metrics,.evidence-grid{grid-template-columns:1fr}.result-head{align-items:flex-start;flex-direction:column}.confidence{text-align:left}.invoice-card{padding:20px}.chain-node{min-width:140px}footer{flex-direction:column}}

.official-card{margin:18px 0;padding:18px;border:1px solid #cbd5e1;border-radius:16px;background:#f8fafc}.official-card h4{margin:6px 0}.official-card p{margin:5px 0}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0 18px}.source-item{border:1px solid #e2e8f0;border-radius:14px;padding:12px;display:grid;gap:4px}.source-item small{font-size:10px;color:#64748b}.source-item span{font-size:11px}.source-item a{font-size:11px}.compact{margin-top:18px}@media(max-width:720px){.source-grid{grid-template-columns:1fr}}

.clarification-box{margin:16px 0;padding:16px;border:1px solid #f59e0b;border-radius:14px;background:#fffbeb}
.clarification-box strong{display:block;margin-bottom:10px}
.clarify-actions{display:flex;gap:8px;flex-wrap:wrap}
.clarify-actions button{border:1px solid #d97706;background:#fff;border-radius:999px;padding:9px 12px;cursor:pointer}
.clarify-actions button:hover{background:#fff7ed}

.chain-coverage{margin:10px 0 14px;padding:12px 14px;border-radius:12px;background:#eef6ff;font-size:12px;line-height:1.45}
.chain-coverage strong{font-size:14px}
.chain-coverage span{color:#475569}
.chain-sources{display:block;margin-top:6px;line-height:1.35}
.chain-sources a{font-size:10px;text-decoration:none}

.r6-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:16px}.context-card.wide{width:100%}.history-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}.history-item{display:grid;gap:4px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fbfcfc}.history-item small,.history-item em,.timeline-item small,.timeline-item em{font-size:10px;color:var(--muted);font-style:normal}.history-item strong{font-size:18px;color:var(--brand)}.history-item b{font-size:15px}.history-item span{font-size:11px;color:var(--muted)}.timeline-grid{display:flex;gap:10px;overflow:auto;padding:14px 0 4px}.timeline-item{min-width:180px;display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fbfcfc}.timeline-item strong{font-size:18px;color:var(--brand)}.timeline-item span{font-size:13px;font-weight:800}.guardrail{border-left:5px solid var(--accent)}
@media(max-width:900px){.history-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.history-grid{grid-template-columns:1fr}.timeline-item{min-width:155px}}