:root {
    --primary-color: #0088cc;
    --text-color: #495057;
    --border-color: #ced4da;
    --background-color: #f8f9fa;
    --error-color: #dc3545;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f0f2f5;
    color: var(--text-color);
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 480px;
}

h1 {
    color: #2c3e50;
    font-size: 24px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 500;
}

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

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
width: 100%;
    padding: 10px 0;
    font-size: 16px;
    border: none;
    border-bottom: 1px solid var(--border-color);
    outline: none;
    background: transparent;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover {
    border-bottom: 1px solid var(--primary-color);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    outline: none;
    border-bottom: 1px solid var(--primary-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 14px;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

button[type="submit"]:hover {
    background-color: #006da3;
}

.register-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

.register-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}

.alert {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 14px;
}

.alert-danger {
    background-color: #fff3f3;
    color: var(--error-color);
    border: 1px solid #ffdada;
}

.hidden {
    display: none;
}

.rodo-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
}

.rodo-info p {
    margin-bottom: 10px;
}

.rodo-info ul {
    padding-left: 20px;
    margin-bottom: 10px;
}

.rodo-info li {
    margin-bottom: 5px;
}

.show-more-rodo {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 12px;
}

.show-more-rodo:hover {
    text-decoration: underline;
}

.fas {
    margin-right: 8px;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .login-box {
        padding: 20px;
    }

    h1 {
        font-size: 20px;
    }
}