:root{--bg: #f7fafc;--card-bg: #ffffff;--text: #1f2937;--muted: #6b7280;--line: rgba(0, 0, 0, .08);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 14px rgba(17, 24, 39, .06);--primary: #2b6cb0}html,body,#root{height:100%}body{margin:0;color:var(--text);background:radial-gradient(circle at top right,rgba(43,108,176,.1),transparent 34%),var(--bg)}.app-shell{min-height:100%}.app-surface{background:#ffffffb8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-sm)}.app-title{font-size:34px;font-weight:800;letter-spacing:-.02em;margin:0}.qa{position:fixed;right:20px;bottom:20px;z-index:3000;display:flex;flex-direction:column-reverse;align-items:center;gap:10px}.qa__stack{display:grid;gap:10px;opacity:0;transform:translateY(6px);pointer-events:none;transition:opacity .16s ease,transform .16s ease}.qa.open .qa__stack{opacity:1;transform:translateY(0);pointer-events:auto}.qa__btn{width:44px;height:44px;border-radius:10px;border:1px solid #e5e7eb;background:#fff;box-shadow:var(--shadow-md);transition:background .15s ease,transform .15s ease}.qa__btn:hover{background:#f3f4f6}.qa__btn.active{background:var(--primary);color:#fff}.qa__btn--logo{width:50px;height:50px;border-radius:10px;border:2px solid rgba(43,108,176,.3);box-shadow:0 10px 22px #0f172a33,0 0 0 2px #fffffff2;background:#fff}.qa__logo-img{width:80%;height:80%;object-fit:contain}.qa__logo-text{font-size:12px;font-weight:800;letter-spacing:.04em}.user-corner{display:inline-flex;align-items:center;gap:10px}.user-corner__name-inline{font-size:32px;font-weight:900;color:#0f2d4e;line-height:1;letter-spacing:-.03em;text-transform:lowercase}.user-corner__logo{width:40px;height:40px;border-radius:999px;border:1px solid rgba(0,0,0,.12);background:#111827;color:#fff;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;font-size:11px;font-weight:700}.user-corner__logo img{width:100%;height:100%;object-fit:cover}@media (max-width: 768px){.app-title{font-size:28px}.qa{right:10px;bottom:10px}.user-corner__name-inline{font-size:26px}}