body {
    background: #172b40;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Lato', sans-serif;
}
.login-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    padding: 40px 36px 32px 36px;
    width: 100%;
    max-width: 360px;
}
.login-logo {
    text-align: center;
    margin-bottom: 28px;
    perspective: 800px;
}
.login-logo img {
    display: block;
    width: 100%;
    height: auto;
    backface-visibility: visible;
    animation: login-logo-spin 4s linear infinite;
}
@keyframes login-logo-spin {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}
.login-field {
    margin-bottom: 16px;
}
.login-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #555;
    margin-bottom: 5px;
}
.login-field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.login-field input:focus {
    outline: none;
    border-color: #0067b1;
    box-shadow: 0 0 0 3px rgba(0,103,177,0.12);
}
.btn-login {
    width: 100%;
    padding: 11px;
    background: #0067b1;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
}
.btn-login:hover {
    background: #004f8a;
}
.login-error {
    background: #fde8e8;
    border: 1px solid #f5c6c6;
    color: #8b1a1a;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 0.88rem;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.login-error i {
    flex-shrink: 0;
    color: #c0392b;
}