:root{--brand:#4bbaba;--brand-ink:#1f5151;--bg:#fff;--surface:#f6f8f8;--text:#1c1b22;--text-muted:#657070;--border:#e1e9e9;--ok:#1d9e75;--warn:#ba7517;--danger:#a32d2d;--radius:10px}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.4}h1{margin:.5em 0;font-size:1.3rem}button{font-family:inherit;font-size:1rem}input,select,textarea{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);min-height:44px;color:var(--text);width:100%;padding:0 12px;font-family:inherit;font-size:1rem}input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}label{color:var(--text-muted);flex-direction:column;gap:4px;margin-bottom:14px;font-size:.9rem;display:flex}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;min-height:44px;padding:0 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span{color:var(--text);font-size:1.1rem;font-weight:700}.auth-screen{text-align:center;flex-direction:column;align-items:center;max-width:380px;margin:0 auto;padding:32px 20px;display:flex}.auth-logo{width:88px;height:88px;margin-bottom:8px}.auth-subtitle{color:var(--text-muted);margin-top:0}.auth-form{text-align:left;width:100%;margin-top:16px}.mfa-qr{border:1px solid var(--border);border-radius:var(--radius);width:200px;height:200px;margin:12px 0}.mfa-secret{color:var(--text-muted);word-break:break-all;font-size:.85rem}.shell{flex-direction:column;max-width:480px;min-height:100%;margin:0 auto;display:flex}.shell-header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 16px}.shell-header-top{justify-content:space-between;align-items:center;display:flex}.shell-name{font-weight:600}.shell-main{flex:1;padding:16px 16px 80px}.placeholder-panel{color:var(--text-muted);text-align:center;padding:32px 0}.tab-bar{background:var(--bg);border-top:1px solid var(--border);max-width:480px;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0}.tab{min-height:56px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex:1;font-size:.8rem}.tab-active{color:var(--brand-ink);box-shadow:inset 0 2px 0 var(--brand);font-weight:600}