body {
    align-items: center;
    display: flex;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    justify-content: center;
    margin: 0;
    overflow-y: auto;
    padding: 28px 16px;
}

.login-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    margin: auto 0;
    max-width: 460px;
    padding: 32px;
    width: 100%;
}
.login-card h2 {
    color: #1a365d;
    margin-bottom: 5px;
    text-align: center;
}

.login-card p {
    color: #718096;
    font-size: 14px;
    margin-bottom: 25px;
    text-align: center;
}

.logo-section {
    margin-bottom: 20px;
    text-align: center;
}

.logo-section img {
    height: auto;
    max-width: 112px;
    margin-bottom: 8px;
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    color: #2d3748;
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-control {
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 14px;
    padding: 10px 12px;
    width: 100%;
}

.form-control:focus {
    border-color: #3182ce;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.15);
    outline: none;
}

.form-hint {
    color: #718096;
    display: block;
    font-size: 12px;
    margin-top: 5px;
}

.error-text {
    color: #e53e3e;
    font-size: 12px;
}

.alert-error {
    background-color: #fed7d7;
    border-radius: 6px;
    color: #9b2c2c;
    font-size: 13px;
    margin-bottom: 15px;
    padding: 10px;
}

.alert-success {
    background-color: #e6fffa;
    border: 1px solid #9ae6b4;
    border-radius: 6px;
    color: #22543d;
    font-size: 13px;
    margin-bottom: 15px;
    padding: 10px;
}

.generated-password {
    margin-top: 8px;
}

.generated-password strong {
    letter-spacing: 0.5px;
}

.password-warning {
    display: block;
    margin-top: 8px;
}

.btn-submit {
    background-color: #2b6cb0;
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-weight: 600;
    padding: 12px;
    transition: background 0.2s;
    width: 100%;
}

.btn-submit:hover {
    background-color: #2c5282;
}

.auth-link {
    color: #2b6cb0;
    display: inline-block;
    font-size: 13px;
    margin-top: 14px;
    text-align: center;
    text-decoration: none;
    width: 100%;
}

.auth-link:hover,
.auth-link:focus-visible {
    color: #1e4d82;
    text-decoration: underline;
}

@media (max-width: 640px) {
    body {
        align-items: flex-start;
        padding: 16px 12px 24px;
    }

    .login-card {
        border-radius: 12px;
        max-width: 100%;
        padding: 22px 18px 24px;
    }

    .login-card h2 {
        font-size: 22px;
    }

    .login-card p {
        margin-bottom: 18px;
    }

    .logo-section {
        margin-bottom: 14px;
    }

    .logo-section img {
        max-width: 96px;
    }
}