:root {
    --naap-navy: #1E3A8A;
    --naap-navy-hover: #172a6b;
    --naap-gold: #F59E0B;
}

body { font-family: sans-serif; background: #f4f7f9; display: flex; justify-content: center; align-items: center; min-height: 100vh; margin: 0; padding: 20px; box-sizing: border-box; }
.login-card { background: white; padding: 40px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); width: 100%; max-width: 400px; box-sizing: border-box; }
h2 { color: var(--naap-navy); text-align: center; margin-bottom: 30px; }
.input-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 5px; color: #666; font-size: 0.9rem; font-weight: bold; }
input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 5px; box-sizing: border-box; font-size: 1rem; }
.btn-submit { background: var(--naap-navy); color: white; border: none; padding: 14px; width: 100%; border-radius: 5px; cursor: pointer; font-size: 1.05rem; margin-top: 10px; font-weight: bold;}
.btn-submit:hover { background: var(--naap-navy-hover); }
.back-link { display: block; text-align: center; margin-top: 20px; color: var(--naap-navy); text-decoration: none; font-size: 0.9rem; }
.info-box { background: #eef2ff; color: var(--naap-navy); padding: 15px; border-radius: 5px; font-size: 0.85rem; margin-bottom: 20px; line-height: 1.4; text-align: center; }
.error-box { background: #f8d7da; color: #721c24; padding: 10px; border-radius: 5px; font-size: 0.85rem; margin-bottom: 20px; text-align: center; border: 1px solid #f5c6cb;}