:root {
    --primary: #2a9d8f;
    --primary-dark: #21867a;
    --secondary: #e9c46a;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --gray: #e9ecef;
    --gray-dark: #495057;
    --dark: #264653;
    --error: #e76f51;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--gray-light);
    color: var(--dark);
}

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

.login-wrapper {
    display: flex;
    max-width: 1200px;
    width: 100%;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.login-side {
    width: 50%;
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header .logo {
    width: 100px;
    margin-bottom: 15px;
}

.login-header h1 {
    color: var(--primary);
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 5px;
}

.login-header p {
    color: var(--gray-dark);
    font-size: 14px;
}

.login-form {
    width: 100%;
}

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

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

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

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
    outline: none;
}

.is-invalid {
    border-color: var(--error) !important;
}

.invalid-feedback {
    color: var(--error);
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 13px;
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input {
    margin-right: 8px;
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-login:hover {
    background-color: var(--primary-dark);
}

.login-bg {
    width: 50%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('../images/dental-bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.bg-content {
    position: relative;
    z-index: 2;
    padding: 40px;
    text-align: center;
}

.bg-content h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.bg-content p {
    font-size: 16px;
    opacity: 0.9;
}

@media (max-width: 992px) {
    .login-wrapper {
        flex-direction: column;
    }
    
    .login-side, .login-bg {
        width: 100%;
    }
    
    .login-bg {
        padding: 40px 20px;
        min-height: 200px;
    }
    
    .login-side {
        padding: 40px;
    }
}

@media (max-width: 576px) {
    .login-side {
        padding: 30px 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .forgot-password {
        margin-top: 10px;
    }
}