body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 1000px;
    display: flex;
    min-height: 600px;
}

.login-left {
    flex: 1;
    background: linear-gradient(45deg, #0073d8, #0056b3);
    color: white;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.login-right {
    flex: 1;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo {
    font-size: 3rem;
    margin-bottom: 20px;
}

.welcome-text {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 20px;
}

.welcome-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
}

.login-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.login-subtitle {
    color: #666;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    padding: 15px 20px;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
}

    .form-control:focus {
        border-color: #0073d8;
        box-shadow: 0 0 0 3px rgba(0, 115, 216, 0.1);
        outline: none;
    }

.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    z-index: 10;
}

.form-control.with-icon {
    padding-left: 50px;
}

.btn-login {
    background: linear-gradient(45deg, #0073d8, #0056b3);
    border: none;
    border-radius: 10px;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    width: 100%;
    transition: all 0.3s ease;
    margin-top: 20px;
}

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(0, 115, 216, 0.3);
    }

    .btn-login:active {
        transform: translateY(0);
    }

.remember-me {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

    .remember-me input {
        margin-right: 10px;
    }

.alert {
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.loading-spinner {
    display: none;
    margin-right: 10px;
}

@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
        margin: 20px;
        min-height: auto;
    }

    .login-left {
        padding: 40px 30px;
    }

    .login-right {
        padding: 40px 30px;
    }

    .welcome-text {
        font-size: 1.5rem;
    }

    .login-title {
        font-size: 2rem;
    }
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

    .feature-list li {
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    .feature-list i {
        margin-right: 10px;
        color: #ffd700;
    }