*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--sentia-bg);color:var(--sentia-text);font-family:ui-sans-system,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--sentia-primary);text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--sentia-surface);border-right:1px solid var(--sentia-border);padding:20px 14px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-size:22px;font-weight:700;color:var(--sentia-text);margin-bottom:4px}.sidebar .brand span{color:var(--sentia-accent)}.sidebar .tag{color:var(--sentia-muted);font-size:12px;margin-bottom:18px}.navitem{padding:9px 12px;border-radius:10px;color:var(--sentia-text);font-size:14px}.navitem:hover{background:var(--sentia-raised)}.main{flex:1 1;padding:24px;max-width:980px;margin:0 auto;width:100%}.card{background:var(--sentia-surface);border:1px solid var(--sentia-border);border-radius:14px;padding:16px;margin-bottom:12px}.btn{background:var(--sentia-primary);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:default}.input,.textarea{width:100%;background:var(--sentia-raised);border:1px solid var(--sentia-border);color:var(--sentia-text);border-radius:10px;padding:10px 12px;font:inherit}.msg-user{background:var(--sentia-primary);color:#fff;margin:8px 0 8px auto;max-width:75%}.msg-assistant,.msg-user{border-radius:14px;padding:10px 14px;width:-moz-fit-content;width:fit-content;white-space:pre-wrap}.msg-assistant{background:var(--sentia-surface);margin:8px auto 8px 0;max-width:85%}.muted{color:var(--sentia-muted);font-size:13px}.row{display:flex;gap:8px;align-items:center}h1{font-size:24px;margin:0 0 6px}h2{font-size:17px;margin:0 0 8px}code{background:#120e1c;color:#edeaf6;padding:1px 5px;border-radius:6px}@media (max-width:720px){.sidebar{width:64px}.navitem span,.sidebar .tag{display:none}}