:root{--navy: #0b2447;--navy-2: #10305f;--blue: #2e73e8;--bg: #f4f6fb;--card: #ffffff;--line: #e5e7eb;--ink: #0f172a;--muted: #64748b;--green: #16a34a;--red: #b91c1c;--radius: 14px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;-webkit-text-size-adjust:100%}a{color:var(--blue);text-decoration:none}.shell{min-height:100%;display:flex;flex-direction:column}.topbar{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.1rem;position:sticky;top:0;z-index:40}.topbar__brand{font-weight:800;font-size:1.15rem;letter-spacing:.3px}.topbar__brand span{color:#7fb4ff}.topbar__user{font-size:.85rem;opacity:.9;display:flex;gap:.8rem;align-items:center}.btn-ghost{background:#ffffff24;color:#fff;border:0;padding:.45rem .8rem;border-radius:8px;font-weight:700;cursor:pointer}.content{flex:1;padding:1.1rem clamp(.7rem,3vw,1.6rem);max-width:1100px;margin:0 auto;width:100%}.grid{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;box-shadow:0 1px 4px #0f172a0d}.card__label{font-size:.7rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700}.card__value{font-size:2rem;font-weight:800;color:var(--navy);margin-top:.3rem}.card h2{margin:0 0 .6rem;font-size:1.05rem;color:var(--navy)}.login-wrap{min-height:100%;display:grid;place-items:center;padding:1.2rem}.login-card{background:var(--card);border-radius:18px;box-shadow:0 12px 40px #0b24472e;padding:2rem 1.8rem;width:100%;max-width:380px}.login-card__brand{text-align:center;font-size:1.8rem;font-weight:900;color:var(--navy);margin-bottom:.3rem}.login-card__brand span{color:var(--blue)}.login-card__sub{text-align:center;color:var(--muted);font-size:.9rem;margin-bottom:1.4rem}.field{margin-bottom:.9rem}.field label{display:block;font-size:.78rem;font-weight:700;color:#475569;margin-bottom:.3rem}.field input{width:100%;padding:.7rem .8rem;border:1px solid #cbd5e1;border-radius:10px;font-size:1rem}.field input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #2e73e826}.btn-primary{width:100%;padding:.8rem;background:var(--navy);color:#fff;border:0;border-radius:10px;font-weight:800;font-size:1rem;cursor:pointer}.btn-primary:hover{background:var(--navy-2)}.btn-primary:disabled{opacity:.6;cursor:default}.alert{background:#fef2f2;color:var(--red);border:1px solid #fecaca;padding:.6rem .8rem;border-radius:10px;font-size:.88rem;margin-bottom:.9rem}.bottomnav{position:sticky;bottom:0;display:none;background:#fff;border-top:1px solid var(--line)}.bottomnav a{flex:1;text-align:center;padding:.55rem 0;color:var(--muted);font-size:.68rem;font-weight:700}.bottomnav a.active{color:var(--blue)}.bottomnav a i{display:block;font-size:1.2rem;font-style:normal}@media (max-width: 720px){.bottomnav{display:flex}.content{padding-bottom:4.5rem}}.muted{color:var(--muted)}.center-note{text-align:center;color:var(--muted);padding:2rem}