:root{color-scheme:dark;--bg:#101419;--panel:#192028;--line:#303b47;--muted:#a7b5c4;--accent:#83e2b7;--text:#edf3f8;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}header,main,footer{max-width:1280px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{text-decoration:none;color:var(--text);font-size:24px;font-weight:800;letter-spacing:-1px}.brand span{font-weight:400;color:var(--accent);margin-left:5px}.header-actions{display:flex;gap:12px;align-items:center;font-size:13px}.intro{padding:42px 0 30px;max-width:780px}.eyebrow{letter-spacing:2px;font-size:11px;font-weight:700;color:var(--accent)}h1{font-size:clamp(32px,5vw,52px);letter-spacing:-2px;margin:14px 0}h2{font-size:25px;letter-spacing:-.7px;margin:8px 0}h3{font-size:17px;margin:0 0 10px}p{color:var(--muted);line-height:1.6}button,input,select{font:inherit}button{border:1px solid var(--line);border-radius:7px;background:#242f39;color:var(--text);padding:10px 14px;cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--accent);color:#10231a;border-color:var(--accent);font-weight:700}input,select{width:100%;background:#111820;border:1px solid #455362;color:var(--text);padding:10px;border-radius:6px}input:focus,select:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}label{display:grid;gap:8px;font-size:13px;color:var(--muted)}.card{background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:12px;margin:18px 0}#auth{display:grid;grid-template-columns:1fr 1fr;gap:40px}form{display:grid;gap:15px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.badges{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.badges span{border:1px solid var(--line);border-radius:6px;padding:8px 12px;font-size:12px;color:var(--muted)}.workspace-bar,.section-top,.calculate-bar{display:flex;justify-content:space-between;gap:20px;align-items:center}.workspace-bar{margin:30px 0 12px}.workspace-bar p{margin:0}.settings{display:flex;flex-wrap:wrap;gap:24px;margin:25px 0}.check{display:flex;align-items:center;gap:8px}.check input{width:auto;accent-color:var(--accent)}.hint,.model-note{font-size:13px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:right;color:var(--muted);font-weight:500;padding:12px 8px;background:#141c24}td{text-align:right;padding:9px 8px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}td input[type=number]{min-width:90px;width:100%;padding:9px 6px;text-align:right}td input[type=checkbox]{width:18px;accent-color:var(--accent)}.calculate-bar{border-top:1px solid var(--line);margin-top:24px;padding-top:12px}.calculate-bar p{font-size:12px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.result-grid .card{padding:18px}.pricing{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin:60px 0 30px;border-top:1px solid var(--line);padding-top:35px}.price{border:1px solid var(--line);padding:24px;border-radius:10px}.price strong{font-size:30px;color:var(--text)}.price button{width:100%;margin-top:18px}.price small{color:var(--muted)}footer{color:var(--muted);font-size:12px;border-top:1px solid var(--line)}#message{border:1px solid var(--accent);border-radius:8px;padding:14px;margin:12px 0;color:var(--text)}#message.error{border-color:#f3ab85}.model-note{border-left:3px solid #e6be73;padding-left:12px}summary{cursor:pointer}[hidden]{display:none!important}@media(max-width:760px){header,main,footer{padding:16px}#auth,.pricing,.result-grid{grid-template-columns:1fr}.workspace-bar,.section-top,.calculate-bar{align-items:flex-start;flex-direction:column}.card{padding:16px}.settings{gap:15px}.settings>label{width:100%}.header-actions{flex-wrap:wrap;justify-content:flex-end}#identity{max-width:180px;overflow:hidden;text-overflow:ellipsis}.intro{padding-top:24px}}