:root{--navy:#14213d;--mint:#58a58b;--muted:#657083;--danger:#9d2f2f}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Tahoma,Arial,sans-serif;background:radial-gradient(circle at 15% 15%,#dff1ea 0,transparent 30%),linear-gradient(135deg,#f8f7f2,#edf4f3);color:#172033}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(100%,440px);background:#fff;border:1px solid #dfe7e4;border-radius:24px;padding:38px;box-shadow:0 24px 70px rgba(20,33,61,.13)}img{display:block;max-width:150px;max-height:72px;object-fit:contain;margin:0 auto 24px}.eyebrow{text-align:center;color:#2b8066;font-weight:800;font-size:13px;margin:0 0 8px}h1{text-align:center;color:var(--navy);font-size:36px;margin:0}.intro{text-align:center;color:var(--muted);margin:10px 0 28px;line-height:1.6}label{display:block;font-weight:750;font-size:14px;margin-top:17px}input{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #cbd5d1;border-radius:11px;font:inherit;outline:none}input:focus{border-color:var(--mint);box-shadow:0 0 0 4px rgba(88,165,139,.15)}button{width:100%;margin-top:22px;padding:14px;border:0;border-radius:11px;background:var(--navy);color:#fff;font:inherit;font-weight:800;cursor:pointer}button:disabled{opacity:.6}.message{margin-top:16px;padding:12px;border-radius:10px;background:#fff0f0;color:var(--danger);border:1px solid #efcaca}.security{text-align:center;color:var(--muted);font-size:12px;margin:22px 0 0}.hidden{display:none}@media(max-width:500px){.login-card{padding:28px 20px;border-radius:18px}}