/* Full-page centering */
body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: #f4f6f8;
}

/* Card */
.login-card {
    width: 90%;
    max-width: 360px;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* Logo */
.login-logo {
    max-width: 100%;
    height: auto;
    margin-bottom: 1.5rem;
}

/* Headline */
.login-card h2 {
    margin-bottom: 1.5rem;
}

/* Inputs */
.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.form-control {
    width: 100%;
    padding: 0.6rem;
    border-radius: 4px;
    border: 1px solid #ccc;
}

/* Checkbox */
.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Button */
.btn-primary {
    width: 100%;
    padding: 0.7rem;
    margin-top: 1rem;
    background: #0d6efd;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.btn-primary:hover {
    background: #0b5ed7;
}

/* Error */
.error {
    margin-top: 1rem;
    color: #d32f2f;
}

/* Mobile responsiveness */
@media (max-width: 480px) {
    .login-card {
        width: 95%;
        padding: 1.5rem;
    }
    
    .login-logo {
        margin-bottom: 1rem;
    }
    
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}