:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --error-color: #f72585;
    --text-color: #2b2d42;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-color);
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
    text-align: center;
}

.logo-container {
    margin-bottom: 50px;
}

.logo {
    width: 150px;
    height: 120px;
    margin-bottom: 15px;
    object-fit: contain;
}

.logo-container h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.version {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 20px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
    text-align: left;
}

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

.form-group label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.form-group input {
    width: 100%;
    padding: 12px 15px 12px 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    outline: none;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 40px;
    cursor: pointer;
    color: #6c757d;
}

.login-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.login-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.login-btn i {
    margin-right: 8px;
}

.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.alert.error {
    background: rgba(247, 37, 133, 0.1);
    color: var(--error-color);
}

.alert i {
    margin-right: 8px;
}

.footer-links {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: #6c757d;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-links i {
    margin-right: 5px;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .logo {
        width: 90px;
        height: 90px;
    }
}