:root{--bg:#f8f7f2;--paper:#fff;--ink:#21342b;--muted:#758178;--line:#e6ebe5;--brand:#21614e;--deep:#154537;--mint:#edf5ee;--danger:#a54e45}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit;text-decoration:none}.splash,.login-page{text-align:center;place-items:center;min-height:100svh;display:grid}.splash{color:var(--muted);gap:8px}.login-page{background:radial-gradient(circle at 80% 15%,#e4f0e5 0,transparent 34%),var(--bg);padding:24px}.login-card{border:1px solid var(--line);background:#ffffffeb;border-radius:30px;width:min(100%,440px);padding:42px;box-shadow:0 26px 70px -42px #15453773}.login-card>img{background:var(--mint);border-radius:50%;margin:auto}.eyebrow{color:var(--brand);letter-spacing:.15em;margin:20px 0 0;font-size:11px;font-weight:800}.login-card h1{color:var(--deep);letter-spacing:-.04em;margin:12px 0 0;font-size:30px}.login-card>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.8}.login-card form{text-align:left;gap:15px;margin-top:28px;display:grid}.login-card label{color:var(--brand);gap:8px;font-size:13px;font-weight:700;display:grid}.login-card input{width:100%;color:var(--ink);background:#fff;border:1px solid #dce5dc;border-radius:13px;outline:0;padding:13px 14px}.login-card input:focus,.composer textarea:focus{border-color:#8dbca0;box-shadow:0 0 0 3px #7bb19129}.login-card form>button,.send{background:var(--brand);color:#fff;border:0;border-radius:14px;min-height:48px;font-weight:750}.login-card>a{color:var(--brand);margin-top:22px;font-size:13px;font-weight:650;display:block}.app-shell{grid-template-columns:280px 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h1{max-width:50vw;font-size:16px}.message-area{padding:22px 18px}.welcome{margin:3vh auto}.bubble{max-width:96%}.composer{width:calc(100% - 24px)}.subtle{display:none}.notice{width:calc(100% - 30px);margin-bottom:14px}.header-actions a{display:none}}