:root{--bg:#fff;--side:#f6f6f3;--ink:#171817;--muted:#737873;--line:#e4e5e1;--green:#147a55;--green2:#e2f2ea;--danger:#a33b34}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,textarea,a{font:inherit}.login{min-height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 20%,#e7f5ee,transparent 34%),#fafbf9}.login-card{width:min(460px,100%);text-align:center;padding:48px 42px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 24px 70px #1b3b2b16}.logo,.hero-mark{display:grid;place-items:center;margin:auto;width:52px;height:52px;border-radius:16px;background:var(--green);color:#fff;font-weight:800;font-size:22px;box-shadow:0 10px 22px #147a5530}.eyebrow{margin:24px 0 8px;font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--green)}.login h1{font-size:32px;letter-spacing:-.04em;margin:0}.login p:not(.eyebrow){color:var(--muted);line-height:1.6}.google{display:flex;justify-content:center;align-items:center;gap:12px;margin:28px 0 18px;padding:14px 18px;border:1px solid #cfd2cd;border-radius:12px;text-decoration:none;color:var(--ink);font-weight:650;transition:.2s}.google:hover{background:#f7f8f6;border-color:#aeb4ae}.google span{font-family:Arial;font-size:20px;color:#4285f4}.login small{color:#90948f}.app{height:100%;display:grid;grid-template-columns:280px 1fr}.sidebar{display:flex;min-width:0;flex-direction:column;background:var(--side);border-right:1px solid var(--line);padding:12px}.side-head{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 8px}.brand{display:flex;align-items:center;gap:10px}.brand>span{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--green);color:white;font-weight:800}.new-chat{margin:8px 0 12px;padding:11px 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