:root{font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:#203e36;background:#f7f6f0;font-size:16px;line-height:1.6;--green:#285d50;--muted:#708078;--line:#dce3d9}*{box-sizing:border-box}body{margin:0;padding:env(safe-area-inset-top) 0 100px}header{max-width:1050px;margin:auto;padding:24px 28px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-weight:750;font-size:18px}.brand small{display:block;font-size:11px;letter-spacing:.1em;color:var(--muted);font-weight:500}.mark{background:var(--green);border-radius:13px;width:42px;height:42px;display:grid;place-items:center;color:white;font-family:Georgia,serif;font-size:28px}main{max-width:980px;margin:auto;padding:24px 28px}h1{font-size:clamp(27px,5vw,40px);line-height:1.25;letter-spacing:-.05em;margin:12px 0 18px}h2{font-size:21px;letter-spacing:-.03em;margin:0 0 16px}h3{font-size:17px}p{margin:8px 0 20px}small,.muted{color:var(--muted)}button,input,textarea,select{font:inherit}button{min-height:46px;border:1px solid var(--line);background:white;color:var(--green);border-radius:12px;padding:10px 16px;cursor:pointer;font-weight:650}button:hover{background:#eef3eb}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--green);color:#fff;border:0}.primary:hover{background:#1d4a3f}.soft{background:#e8eee1}.danger{color:#944d38}input,select,textarea{width:100%;min-height:48px;border:1px solid #cdd8ce;border-radius:11px;background:white;padding:12px;color:#223f36}textarea{min-height:140px;resize:vertical}label{display:block;font-size:14px;font-weight:600;margin:16px 0 6px}form{max-width:620px}input:focus,textarea:focus,select:focus,button:focus-visible{outline:3px solid #a4c8b5;outline-offset:2px}.grid{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;margin:24px 0}.card{padding:26px;border:1px solid var(--line);border-radius:20px;background:#fffdf8;min-width:0}.hero{background:#e6eddc;border:0;position:relative;overflow:hidden}.hero .eyebrow,.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:750;color:#54765e}.hero h2{font-size:29px;margin-top:16px;letter-spacing:-.05em}.hero p{max-width:450px}.pill{display:inline-block;background:#eef1e8;color:#54705e;border-radius:20px;padding:4px 11px;font-size:12px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 4px}.stack{display:grid;gap:12px}.doclink{display:block;text-align:left;width:100%;font-weight:500;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;padding:15px 2px}.doclink small{display:block;overflow-wrap:anywhere}.empty{padding:22px 0;color:var(--muted);font-size:14px}.notice{background:#f4efdf;padding:14px 18px;border-radius:12px;font-size:14px}.error{background:#f8eae5;color:#8a4234;padding:14px;border-radius:12px;overflow-wrap:anywhere}.list-item{display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line);padding:12px 0}.list-item button{flex:0 0 46px;padding:8px;border-radius:50%;font-size:20px}.list-item span{overflow-wrap:anywhere}.inline{display:flex;gap:10px;margin-top:14px}.inline input{min-width:0}.inline button{flex-shrink:0}nav{position:fixed;bottom:0;left:0;right:0;padding:9px 12px calc(9px + env(safe-area-inset-bottom));display:flex;justify-content:center;gap:6px;background:#fcfcf8f5;border-top:1px solid var(--line);backdrop-filter:blur(15px);z-index:5}nav button{width:100px;border:0;background:transparent;font-size:14px}nav button.active{background:#e4eddf;color:#1b493d}.document{font-size:16px;overflow-wrap:anywhere}.document h1{font-size:28px}.document h2{margin-top:32px}.document table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;white-space:nowrap;font-size:14px}.document th,.document td{padding:10px;border:1px solid var(--line)}a{color:var(--green)}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f1e9;padding:16px;border-radius:12px;font-size:14px}#toast{position:fixed;bottom:95px;left:50%;transform:translateX(-50%);max-width:90vw;background:#234f42;color:white;border-radius:14px;padding:13px 18px;z-index:15;font-size:14px}#connection{position:sticky;top:0;background:#7e4a37;color:white;padding:10px;text-align:center;z-index:20;font-size:13px}dialog{border:1px solid var(--line);border-radius:20px;max-width:640px;width:calc(100% - 32px);max-height:85dvh;padding:26px;color:inherit;background:#fffdf8}dialog::backdrop{background:#1c392a77}dialog #close-modal{margin-top:20px}.result{white-space:pre-wrap}.citation{font-size:13px;margin:10px 0}.login{max-width:460px;margin:30px auto}.progress{animation:pulse 1.5s infinite}@keyframes pulse{50%{opacity:.4}}[hidden]{display:none!important}#attachments a{display:block;margin:8px 0}.compact{margin-top:16px}footer{color:var(--muted);font-size:12px;margin-top:30px}.big-number{font:normal 38px Georgia,serif;letter-spacing:-.03em}.status-row{padding:12px 0;border-bottom:1px solid var(--line)}@media(max-width:650px){header{padding:18px 20px}main{padding:15px 20px}.grid{grid-template-columns:1fr;gap:16px;margin-top:20px}.card{padding:22px}nav{gap:0}nav button{width:20%;padding:10px 2px}.hero h2{font-size:26px}h1{margin-top:10px}.inline button{padding:10px 12px}header button{font-size:13px;padding:8px 12px}.brand{font-size:16px}dialog{padding:20px}}

/* Mobile conversation view; only static shell is cached. */
.chat-shell{display:flex;flex-direction:column;height:calc(100dvh - 190px);min-height:380px;max-width:760px;margin:auto;background:#edf3f0;border-radius:24px;overflow:hidden;border:1px solid #d9e5df}.chat-header{padding:20px 20px 10px;background:#f8fbf9}.chat-header h1{font-size:1.5rem;margin:4px 0}.chat-header p{font-size:.8rem;margin:6px 0}.chat-messages{flex:1;overflow-y:auto;padding:20px 14px;overscroll-behavior:contain;min-height:0;scroll-behavior:smooth}.chat-row{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 18px}.chat-row.user{align-items:flex-end}.chat-name{font-size:.72rem;color:#526b60;margin:0 8px 5px}.chat-bubble{max-width:88%;padding:12px 15px;border-radius:3px 18px 18px;background:#fff;box-shadow:0 2px 6px #23403209;overflow-wrap:anywhere;min-width:0}.chat-bubble p{white-space:pre-wrap;margin:0 0 8px}.chat-bubble p:last-child{margin-bottom:0}.chat-row.user .chat-bubble{background:#285d50;color:white;border-radius:18px 3px 18px 18px}.chat-bubble pre{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.85rem}.chat-bubble .doclink{max-width:100%;white-space:normal;text-align:left}.chat-row.pending .chat-bubble{color:#587568}.chat-row.failed .chat-bubble{border:1px solid #ba6858}.chat-composer{flex:none;padding:12px;background:#fff;border-top:1px solid #d9e5df;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}.chat-composer textarea{min-height:50px;max-height:130px;resize:vertical;margin:0;border-radius:16px}.chat-compose-actions{display:flex;gap:5px;flex-direction:column}.chat-compose-actions button{min-height:44px}.chat-composer>small{grid-column:1/-1;font-size:.7rem;color:#657b70}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:600px){.chat-shell{height:calc(100dvh - 175px);border-radius:18px}.chat-header{padding:14px 14px 8px}.chat-messages{padding:16px 10px}.chat-bubble{max-width:92%}.chat-composer{padding:9px}}

.chat-shell{min-height:0}.chat-composer{width:100%;max-width:none}.chat-header{flex:none}@media(max-height:600px){.chat-header p{display:none}.chat-header h1{font-size:1.2rem}.chat-header{padding:10px 14px}.chat-composer>small{display:none}.chat-composer textarea{height:55px;min-height:44px}}