:root{color-scheme:dark;--bg:#0c1729;--panel:#142238;--line:#293b50;--muted:#a9b9c9;--mint:#73dfb9}*{box-sizing:border-box}body{margin:0;font:15px/1.6 system-ui,sans-serif;background:var(--bg);color:#eef4fa}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);color:inherit;background:transparent;border-radius:10px;padding:10px 14px}button:hover{background:#22364b}button:disabled{opacity:.5;cursor:wait}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--mint);outline-offset:3px}button.primary{background:var(--mint);color:#09261c;font-weight:700;border:0}.login{min-height:100dvh;display:grid;place-items:center;padding:24px}.login main{width:min(410px,100%);padding:38px;background:var(--panel);border:1px solid var(--line);border-radius:24px}.brand{font-size:27px;font-weight:800;letter-spacing:1px}.brand span{color:var(--mint)}.muted{color:var(--muted)}.login label{display:block;margin:18px 0 8px}.login input{width:100%;padding:12px;border:1px solid #4c617a;border-radius:9px;background:#0b1627;color:white}.login .primary{width:100%;margin-top:26px}.error{color:#ffb4b4}.shell{display:grid;grid-template-columns:260px minmax(0,1fr);height:100dvh}.sidebar{background:#101e31;border-right:1px solid var(--line);padding:28px 18px 18px;display:flex;flex-direction:column;gap:22px;min-height:0}.sidebar .brand{padding:0 8px}.sidebar small{display:block;color:var(--muted);font-size:12px}.history-label{text-transform:uppercase;letter-spacing:1.8px;font-size:10px;color:var(--muted);margin-bottom:10px}#history{overflow:auto;flex:1}.conversation{display:block;text-align:left;width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border:0;margin-bottom:5px;font-size:13px}.selected{background:#23374a!important;color:var(--mint)}.sidebar footer{border-top:1px solid var(--line);padding-top:14px;font-size:11px;color:var(--muted)}#logout{width:100%;margin-top:12px}.workspace{display:flex;flex-direction:column;min-height:0;min-width:0}.topbar{height:76px;flex-shrink:0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 32px}#title{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.actions{display:flex;gap:7px}.actions button{font-size:12px;padding:7px 12px}#scroller{overflow:auto;flex:1;padding:32px 32px 8px}#messages,#welcome,.composer{max-width:850px;margin:auto}#welcome{padding-top:12vh}#welcome[hidden]{display:none}.eyebrow{color:var(--mint);font-size:11px;letter-spacing:2px;text-transform:uppercase}h1{font-size:clamp(28px,4vw,44px);line-height:1.2;font-weight:600;letter-spacing:-1px;margin:18px 0}#welcome>p{color:var(--muted);margin-bottom:32px}.suggestions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.suggestions button{text-align:left;padding:18px;background:#142238}.suggestions strong{display:block;font-size:14px}.suggestions span{font-size:12px;color:var(--muted)}.message{padding:20px 0;border-bottom:1px solid #1d3044}.message strong{font-size:12px;letter-spacing:.3px;color:var(--mint)}.message.user{background:#142238;padding:18px 22px;border:1px solid var(--line);border-radius:16px;margin-top:18px}.message.user strong{color:var(--muted)}.body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;margin-top:8px}.copy{font-size:11px;padding:3px 10px;margin-top:12px;color:var(--muted)}.thinking{color:var(--mint);font-size:13px}.bottom{padding:12px 32px 18px}.composer{border:1px solid #3c526b;border-radius:18px;background:#16263b;padding:14px}textarea{resize:vertical;min-height:55px;max-height:200px;width:100%;border:0;background:transparent;color:inherit;outline:0;padding:4px}textarea::placeholder{color:#8fa5b9}.compose-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;color:var(--muted)}#notice{max-width:850px;margin:0 auto 10px;font-size:13px;color:#ffcf9d}#notice:empty{display:none}.footnote{text-align:center;font-size:10px;color:var(--muted);margin:9px 0 0}@media(max-width:760px){.shell{grid-template-columns:1fr}.sidebar{display:none}.topbar{padding:0 18px;height:62px}.topbar:before{content:'TRIDEL';font-weight:800;color:var(--mint)}#title{display:none}#scroller{padding:20px 18px}.bottom{padding:10px 14px}#welcome{padding-top:7vh}.suggestions{grid-template-columns:1fr}.compose-bottom span{max-width:65%}.actions button{padding:6px 9px}}