body {
    background-color: #f5f7fa;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-mode {
    background-color: #212529;
}

.container-fluid {
    width: 100%;
    padding: 0;
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    max-width: 500px;
    width: 100%;
    padding: 1.5rem;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.login-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background-color: #ffffff;
}

body.dark-mode .login-card {
    background-color: #2c2c2c;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.login-logo {
    height: 80px;
    margin: 0 auto;
    display: block;
}

.form-label {
    font-weight: 500;
    color: #333;
}

.input-group-text {
    background-color: #f8f9fa;
    border-right: none;
}

.login-btn {
    width: 100%;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.demo-credentials {
    color: #6c757d;
    margin-bottom: 0.5rem;
}

#demo-email, #demo-password {
    cursor: pointer;
    font-weight: 500;
    color: #0d6efd;
}

#demo-email:hover, #demo-password:hover {
    text-decoration: underline;
}

.theme-toggle-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

@media (max-width: 576px) {
    .login-container {
        padding: 1rem;
        margin: 1rem;
    }
    
    .login-logo {
        height: 60px;
    }
    
    .login-card {
        border-radius: 8px;
    }
}