/* Auth screen */
.auth-screen{position:fixed;inset:0;background:var(--bg);z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--sp-6);}
.auth-box{background:var(--surface);border-radius:var(--radius-lg);padding:32px 26px;width:100%;max-width:360px;box-shadow:var(--shadow-lg);}
.auth-logo{font-size:30px;font-weight:900;color:var(--text);text-align:center;margin-bottom:5px;letter-spacing:-1.2px;}
.auth-sub{font-size:13px;color:var(--text2);text-align:center;margin-bottom:var(--sp-6);}
.auth-tabs{display:flex;background:var(--surface2);border-radius:var(--radius-sm);padding:4px;margin-bottom:var(--sp-5);}
.auth-tab{flex:1;padding:9px;border:none;background:none;border-radius:7px;font-size:13px;font-weight:700;color:var(--text2);cursor:pointer;transition:all .15s;}
.auth-tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs);}
.user-chip{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border-radius:20px;padding:4px 11px 4px 6px;max-width:38vw;min-width:0;}
.user-avatar{width:23px;height:23px;border-radius:50%;background:rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:white;}
.user-name{font-size:12px;font-weight:700;color:white;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}